diff --git a/lang/m2/comp/walk.c b/lang/m2/comp/walk.c
index f7bfa906f..094057914 100644
--- a/lang/m2/comp/walk.c
+++ b/lang/m2/comp/walk.c
@@ -854,6 +854,9 @@ WalkStat(nd, exit_label, end_reached)
 			   assignment compatible with the result type of the
 			   function procedure (See Rep. 9.11).
 			*/
+			if (nd->nd_RIGHT->nd_symb == STRING) {
+				TryToString(nd->nd_RIGHT, func_type);
+			}
 			if (!ChkAssCompat(&(nd->nd_RIGHT), func_type, "RETURN")) {
 				break;
 			}