diff --git a/NEWS b/NEWS
index c610179c5..4d0a889a8 100644
--- a/NEWS
+++ b/NEWS
@@ -3,6 +3,12 @@ For full details, see the git log at: https://github.com/ksh93/ksh
 
 Any uppercase BUG_* names are modernish shell bug IDs.
 
+2021-11-24:
+
+- The --posix mode was amended to stop the '.' command (but not 'source') from
+  looking up functions defined with the 'function' keyword. In the POSIX
+  standard and on other shells, the '.' command finds only script files.
+
 2021-11-23:
 
 - A bug was fixed that allowed arithmetic expressions to assign out-of-range
diff --git a/src/cmd/ksh93/bltins/misc.c b/src/cmd/ksh93/bltins/misc.c
index 799422187..947be740b 100644
--- a/src/cmd/ksh93/bltins/misc.c
+++ b/src/cmd/ksh93/bltins/misc.c
@@ -259,7 +259,7 @@ int    b_dot_cmd(register int n,char *argv[],Shbltin_t *context)
 	{
 		/* check for KornShell style function first */
 		np = nv_search(script,shp->fun_tree,0);
-		if(np && is_afunction(np) && !nv_isattr(np,NV_FPOSIX))
+		if(np && is_afunction(np) && !nv_isattr(np,NV_FPOSIX) && !(sh_isoption(SH_POSIX) && shp->bltindata.bnode==SYSDOT))
 		{
 			if(!np->nvalue.ip)
 			{
diff --git a/src/cmd/ksh93/include/version.h b/src/cmd/ksh93/include/version.h
index 010a2bd13..0e2c2e651 100644
--- a/src/cmd/ksh93/include/version.h
+++ b/src/cmd/ksh93/include/version.h
@@ -21,7 +21,7 @@
 
 #define SH_RELEASE_FORK	"93u+m"		/* only change if you develop a new ksh93 fork */
 #define SH_RELEASE_SVER	"1.0.0-beta.2"	/* semantic version number: https://semver.org */
-#define SH_RELEASE_DATE	"2021-11-23"	/* must be in this format for $((.sh.version)) */
+#define SH_RELEASE_DATE	"2021-11-24"	/* must be in this format for $((.sh.version)) */
 #define SH_RELEASE_CPYR	"(c) 2020-2021 Contributors to ksh " SH_RELEASE_FORK
 
 /* Scripts sometimes field-split ${.sh.version}, so don't change amount of whitespace. */
diff --git a/src/cmd/ksh93/sh.1 b/src/cmd/ksh93/sh.1
index f1453c280..76ed98501 100644
--- a/src/cmd/ksh93/sh.1
+++ b/src/cmd/ksh93/sh.1
@@ -7246,6 +7246,9 @@ enables the recognition of a leading zero as introducing an octal number in
 all arithmetic evaluation contexts, except in the \fBlet\fR built-in while
 \fBletoctal\fR is off;
 .IP \[bu]
+stops the \fB.\fR command (but not \fBsource\fR) from looking up functions
+defined with the \fBfunction\fR syntax;
+.IP \[bu]
 changes the \fBtest\fR/\fB[\fR built-in command to make its deprecated
 \fIexpr1\fR \fB-a\fR \fIexpr2\fR and \fIexpr1\fR \fB-o\fR \fIexpr2\fR operators
 work even if \fIexpr1\fR equals "\fB!\fR" or "\fb(\fR" (which means the
diff --git a/src/cmd/ksh93/tests/path.sh b/src/cmd/ksh93/tests/path.sh
index 3f36f72df..fc39600fc 100755
--- a/src/cmd/ksh93/tests/path.sh
+++ b/src/cmd/ksh93/tests/path.sh
@@ -903,5 +903,22 @@ got=$?
 [[ $exp == $got ]] || err_exit "Test 7E: exit status or error message for exec'd command with long name wrong" \
 	"(expected $exp, got $got)"
 
+# ======
+
+if	[[ -o ?posix ]]
+then	(
+		PATH=/dev/null
+		command set --posix
+		function dottest { :; }
+		. dottest
+	) 2>/dev/null && err_exit "'.' in POSIX mode finds ksh function"
+	(
+		PATH=/dev/null
+		command set --posix
+		function dottest { :; }
+		source dottest
+	) 2>/dev/null || err_exit "'source' in POSIX mode does not find ksh function"
+fi
+
 # ======
 exit $((Errors<125?Errors:125))