1 files changed, 3 insertions, 0 deletions
diff --git a/iseq.c b/iseq.c
index 6ad0e8d25a..f316edab30 100644
--- a/iseq.c
+++ b/iseq.c
@@ -559,6 +559,9 @@ find_line_no(rb_iseq_t *iseq, unsigned long pos)
     if (entry) {
 	return entry->line_no;
     }
+    else {
+	return 0;
+    }
 }
 
 static unsigned short