1 files changed, 1 insertions, 1 deletions
diff --git a/vm.c b/vm.c
index e5f2c2fd99..96cbe39877 100644
--- a/vm.c
+++ b/vm.c
@@ -1301,7 +1301,7 @@ const char *
 rb_source_loc(int *pline)
 {
     VALUE path = rb_source_location(pline);
-    if (!NIL_P(path)) return NULL;
+    if (NIL_P(path)) return NULL;
     return RSTRING_PTR(path);
 }