1 files changed, 5 insertions, 2 deletions
diff --git a/pp_hot.c b/pp_hot.c
index d6cb1aa091..223169bd53 100644
--- a/pp_hot.c
+++ b/pp_hot.c
@@ -284,8 +284,11 @@ PP(pp_concat)
     }
     else { /* $l .= $r   and   left == TARG */
 	if (!SvOK(left)) {
-	    if (left == right && ckWARN(WARN_UNINITIALIZED)) /* $l .= $l */
-		report_uninit(right);
+            if ((left == right                          /* $l .= $l */
+                 || (PL_op->op_private & OPpTARGET_MY)) /* $l = $l . $r */
+                && ckWARN(WARN_UNINITIALIZED)
+                )
+                report_uninit(left);
 	    sv_setpvs(left, "");
 	}
         else {