diff --git a/src/userfunc.c b/src/userfunc.c
index 814d400..1918e54 100644
--- a/src/userfunc.c
+++ b/src/userfunc.c
@@ -3444,8 +3444,10 @@
 		;
 
 	    // Check for "endfunction" or "enddef".
+	    // When a ":" follows it must be a dict key; "enddef: value,"
 	    if (checkforcmd(&p, nesting_def[nesting]
-						? "enddef" : "endfunction", 4))
+						? "enddef" : "endfunction", 4)
+		    && *p != ':')
 	    {
 		if (nesting-- == 0)
 		{
@@ -3484,7 +3486,7 @@
 	    // not find it.
 	    else if (nesting_def[nesting])
 	    {
-		if (checkforcmd(&p, "endfunction", 4))
+		if (checkforcmd(&p, "endfunction", 4) && *p != ':')
 		    emsg(_(e_mismatched_endfunction));
 	    }
 	    else if (eap->cmdidx == CMD_def && checkforcmd(&p, "enddef", 4))