diff --git a/src/vim9compile.c b/src/vim9compile.c
index 04681fe..0664124 100644
--- a/src/vim9compile.c
+++ b/src/vim9compile.c
@@ -5515,7 +5515,8 @@
 	    }
 
 	    // new local variable
-	    if (type->tt_type == VAR_FUNC && var_check_func_name(name, TRUE))
+	    if ((type->tt_type == VAR_FUNC || type->tt_type == VAR_PARTIAL)
+					    && var_wrong_func_name(name, TRUE))
 		goto theend;
 	    lvar = reserve_local(cctx, var_start, varlen,
 						    cmdidx == CMD_const, type);
@@ -5624,6 +5625,12 @@
 			    emsg(_(e_cannot_use_void));
 			    goto theend;
 			}
+			else if ((stacktype->tt_type == VAR_FUNC
+				    || stacktype->tt_type == VAR_PARTIAL)
+					    && var_wrong_func_name(name, TRUE))
+			{
+			    goto theend;
+			}
 			else
 			{
 			    // An empty list or dict has a &t_void member,