diff --git a/manifest b/manifest
index 447c8c5092..0da905bbc1 100644
--- a/manifest
+++ b/manifest
@@ -1,5 +1,5 @@
-C Got\sthe\ssqlite3-api\sJS\sbits\swrapped\sup\sin\sdeferred-load\smodule.\sWhether\sthat's\sgoing\sto\sbe\seasier\sto\suse,\sin\spractice,\sremains\sto\sbe\sseen.\sConsolidated\stwo\sof\sthe\stest-related\sJS\sfiles.
-D 2022-05-25T08:51:07.626
+C Fix\sthe\sUPDATE-FROM\slogic\sso\sthat\sit\sworks\sthe\ssame\sas\sPostgreSQL\swhen\sthe\nFROM\sclause\scontains\san\souter\sjoin.
+D 2022-05-25T11:09:07.638
 F .fossil-settings/empty-dirs dbb81e8fc0401ac46a1491ab34a7f2c7c0452f2f06b54ebb845d024ca8283ef1
 F .fossil-settings/ignore-glob 35175cdfcf539b2318cb04a9901442804be81cd677d8b889fcc9149c21f239ea
 F LICENSE.md df5091916dbb40e6e9686186587125e1b2ff51f022cc334e886c19a0e9982724
@@ -556,7 +556,7 @@ F src/os_win.c a8ea80037e81127ca01959daa87387cc135f325c88dc745376c4f760de852a10
 F src/os_win.h 7b073010f1451abe501be30d12f6bc599824944a
 F src/pager.c 42120492784fc9bcd9082b5c9b5e329b7318c357f9f3574a1bbfcf7418910356
 F src/pager.h f82e9844166e1585f5786837ddc7709966138ced17f568c16af7ccf946c2baa3
-F src/parse.y ad9a59d0078267e5aea4cf62f244c0ce6fcec9a91edd365e929c75d3a1716563
+F src/parse.y b58ad9fadf31e26e45214a4d8be4351ec2910bbd914caa2e172d616057f67ddc
 F src/pcache.c 084e638432c610f95aea72b8509f0845d2791293f39d1b82f0c0a7e089c3bb6b
 F src/pcache.h 4f87acd914cef5016fae3030343540d75f5b85a1877eed1a2a19b9f284248586
 F src/pcache1.c 54881292a9a5db202b2c0ac541c5e3ef9a5e8c4f1c1383adb2601d5499a60e65
@@ -567,7 +567,7 @@ F src/printf.c 6166a30417b05c5b2f82e1f183f75faa2926ad60531c0b688a57dbc951441a20
 F src/random.c 097dc8b31b8fba5a9aca1697aeb9fd82078ec91be734c16bffda620ced7ab83c
 F src/resolve.c a4eb3c617027fd049b07432f3b942ea7151fa793a332a11a7d0f58c9539e104f
 F src/rowset.c ba9515a922af32abe1f7d39406b9d35730ed65efab9443dc5702693b60854c92
-F src/select.c 4f13d01141caae4f982125fecf50703c746ab621c57ca0aa747fab2b28e88c1e
+F src/select.c a0dca0b4a328826d4713195a2fe305852cd8b1ed876311667b00c64b93a7fe23
 F src/shell.c.in f3e0eb3e817f4d2edaeb12a06b2a0c8b5302fa223d87db68975313b9ce768e03
 F src/sqlite.h.in d15c307939039086adca159dd340a94b79b69827e74c6d661f343eeeaefba896
 F src/sqlite3.rc 5121c9e10c3964d5755191c80dd1180c122fc3a8
@@ -1706,6 +1706,7 @@ F test/upfrom1.tcl 8859d9d437f03b44174c4524a7a734a391fd4526fcff65be08285dafc9dc9
 F test/upfrom1.test 8cb06689e99cd707d884faa16da0e8eb26ff658bb01c47ddf72fadade666e6e1
 F test/upfrom2.test 66f3ebf721b3cebd922faee5c386bf244f816d416b57c000753ff51af62328a1
 F test/upfrom3.test 6130f24ebf97f5ea865e5d2a14a2d543fe5428a62e87cc60f62d875e45c1f5f0
+F test/upfrom4.test 71d25e18c7d04e2930dcbd78e6aafb6931c80cb08f77039309b6095a12f1e62e
 F test/upfromfault.test 3a10075a0043f0c4fad6614b2c371f88a8ba5a4acab68b907438413865d6a8d6
 F test/upsert1.test b0ae2f58680c5205b4bc1cdeed3c3d444057c506f6c44494fa3eac60731d68a2
 F test/upsert2.test 720e94d09f7362a282bc69b3c6b83d51daeaaf0440eb4920a08b86518b8c7496
@@ -1968,8 +1969,9 @@ F vsixtest/vsixtest.tcl 6a9a6ab600c25a91a7acc6293828957a386a8a93
 F vsixtest/vsixtest.vcxproj.data 2ed517e100c66dc455b492e1a33350c1b20fbcdc
 F vsixtest/vsixtest.vcxproj.filters 37e51ffedcdb064aad6ff33b6148725226cd608e
 F vsixtest/vsixtest_TemporaryKey.pfx e5b1b036facdb453873e7084e1cae9102ccc67a0
-P 3d6245c6f9f2ef4ca6746639d300cc5795598b119034439dfed671de3da638fb
-R 0cd793b0df7e1a958b5a7fb6c581456e
-U stephan
-Z 24d1fc51d53037dbed19059815815fc9
+P dd83cc05f2522d221641807dd66b33df48ac9264f27e5b6f63f312084f109801 a124e4f96f883d8682ba7a253d33a9565ed0fc3580525225b95733bd3782a806
+R 0947292cf57b2d2b62677fbda585a4ec
+T +closed a124e4f96f883d8682ba7a253d33a9565ed0fc3580525225b95733bd3782a806
+U drh
+Z 53acd9530f0c6264d60842c46e9a54be
 # Remove this line to create a well-formed Fossil manifest.
diff --git a/manifest.uuid b/manifest.uuid
index 1320ac63d0..69907f292a 100644
--- a/manifest.uuid
+++ b/manifest.uuid
@@ -1 +1 @@
-dd83cc05f2522d221641807dd66b33df48ac9264f27e5b6f63f312084f109801
\ No newline at end of file
+98b3816bbaf539ea745456e1c0064e47d2903d33ee0ceb029bdb97d56fcde937
\ No newline at end of file
diff --git a/src/parse.y b/src/parse.y
index fb3c3f38cd..44a14e2585 100644
--- a/src/parse.y
+++ b/src/parse.y
@@ -940,7 +940,18 @@ cmd ::= with UPDATE orconf(R) xfullname(X) indexed_opt(I) SET setlist(Y) from(F)
         where_opt_ret(W). {
   sqlite3SrcListIndexedBy(pParse, X, &I);
   sqlite3ExprListCheckLength(pParse,Y,"set list"); 
-  X = sqlite3SrcListAppendList(pParse, X, F);
+  if( F ){
+    SrcList *pFromClause = F;
+    if( pFromClause->nSrc>1 ){
+      Select *pSubquery;
+      Token as;
+      pSubquery = sqlite3SelectNew(pParse,0,pFromClause,0,0,0,0,SF_NestedFrom,0);
+      as.n = 0;
+      as.z = 0;
+      pFromClause = sqlite3SrcListAppendFromTerm(pParse,0,0,0,&as,pSubquery,0);
+    }
+    X = sqlite3SrcListAppendList(pParse, X, pFromClause);
+  }
   sqlite3Update(pParse,X,Y,W,R,0,0,0);
 }
 %endif
diff --git a/src/select.c b/src/select.c
index 96b5035f90..57f1b45957 100644
--- a/src/select.c
+++ b/src/select.c
@@ -6518,6 +6518,29 @@ static int countOfViewOptimization(Parse *pParse, Select *p){
 }
 #endif /* SQLITE_COUNTOFVIEW_OPTIMIZATION */
 
+/*
+** If any term of pSrc, or any SF_NestedFrom sub-query, is not the same
+** as pSrcItem but has the same alias as p0, then return true.
+** Otherwise return false.
+*/
+static int sameSrcAlias(SrcItem *p0, SrcList *pSrc){
+  int i;
+  for(i=0; i<pSrc->nSrc; i++){
+    SrcItem *p1 = &pSrc->a[i];
+    if( p1==p0 ) continue;
+    if( p0->pTab==p1->pTab && 0==sqlite3_stricmp(p0->zAlias, p1->zAlias) ){
+      return 1;
+    }
+    if( p1->pSelect
+     && (p1->pSelect->selFlags & SF_NestedFrom)!=0
+     && sameSrcAlias(p0, p1->pSelect->pSrc)
+    ){
+      return 1;
+    }
+  }
+  return 0;
+}
+
 /*
 ** Generate code for the SELECT statement given in the p argument.  
 **
@@ -6622,15 +6645,12 @@ int sqlite3Select(
   ** disallow it altogether.  */
   if( p->selFlags & SF_UFSrcCheck ){
     SrcItem *p0 = &p->pSrc->a[0];
-    for(i=1; i<p->pSrc->nSrc; i++){
-      SrcItem *p1 = &p->pSrc->a[i];
-      if( p0->pTab==p1->pTab && 0==sqlite3_stricmp(p0->zAlias, p1->zAlias) ){
-        sqlite3ErrorMsg(pParse, 
-            "target object/alias may not appear in FROM clause: %s", 
-            p0->zAlias ? p0->zAlias : p0->pTab->zName
-        );
-        goto select_end;
-      }
+    if( sameSrcAlias(p0, p->pSrc) ){
+      sqlite3ErrorMsg(pParse, 
+          "target object/alias may not appear in FROM clause: %s", 
+          p0->zAlias ? p0->zAlias : p0->pTab->zName
+      );
+      goto select_end;
     }
 
     /* Clear the SF_UFSrcCheck flag. The check has already been performed,
diff --git a/test/upfrom4.test b/test/upfrom4.test
new file mode 100644
index 0000000000..d0dcc953c9
--- /dev/null
+++ b/test/upfrom4.test
@@ -0,0 +1,55 @@
+# 2022-05-24
+#
+# The author disclaims copyright to this source code.  In place of
+# a legal notice, here is a blessing:
+#
+#    May you do good and not evil.
+#    May you find forgiveness for yourself and forgive others.
+#    May you share freely, never taking more than you give.
+#
+#***********************************************************************
+#
+
+set testdir [file dirname $argv0]
+source $testdir/tester.tcl
+set testprefix upfrom4
+
+do_execsql_test 100 {
+  DROP TABLE IF EXISTS t5;
+  DROP TABLE IF EXISTS m1;
+  DROP TABLE IF EXISTS m2;
+  CREATE TABLE t5(a INTEGER PRIMARY KEY, b TEXT, c TEXT);
+  CREATE TABLE m1(x INTEGER PRIMARY KEY, y TEXT);
+  CREATE TABLE m2(u INTEGER PRIMARY KEY, v TEXT);
+
+  INSERT INTO t5 VALUES(1, 'one', 'ONE');
+  INSERT INTO t5 VALUES(2, 'two', 'TWO');
+  INSERT INTO t5 VALUES(3, 'three', 'THREE');
+  INSERT INTO t5 VALUES(4, 'four', 'FOUR');
+
+  INSERT INTO m1 VALUES(1, 'i');
+  INSERT INTO m1 VALUES(2, 'ii');
+  INSERT INTO m1 VALUES(3, 'iii');
+
+  INSERT INTO m2 VALUES(1, 'I');
+  INSERT INTO m2 VALUES(3, 'II');
+  INSERT INTO m2 VALUES(4, 'III');
+  SELECT * FROM t5;
+} {1 one ONE 2 two TWO 3 three THREE 4 four FOUR}
+
+do_execsql_test 110 {
+  BEGIN;
+  UPDATE t5 SET b=y, c=v FROM m1 LEFT JOIN m2 ON (x=u) WHERE x=a;
+  SELECT * FROM t5 ORDER BY a;
+  ROLLBACK;
+} {1 i I 2 ii {} 3 iii II 4 four FOUR}
+
+do_execsql_test 120 {
+  BEGIN;
+  UPDATE t5 SET b=y, c=v FROM m2 RIGHT JOIN m1 ON (x=u) WHERE x=a;
+  SELECT * FROM t5 ORDER BY a;
+  ROLLBACK;
+} {1 i I 2 ii {} 3 iii II 4 four FOUR}
+
+
+finish_test