1 files changed, 2 insertions, 1 deletions
diff --git a/file.c b/file.c
index daba52cde3..d75398f306 100644
--- a/file.c
+++ b/file.c
@@ -5007,7 +5007,8 @@ path_check_0(VALUE path, int execpath)
 	    && !(p && execpath && (st.st_mode & S_ISVTX))
 #endif
 	    && !access(p0, W_OK)) {
-	    rb_warn("Insecure world writable dir %s in %sPATH, mode 0%o",
+	    rb_warn("Insecure world writable dir %s in %sPATH, mode 0%"
+		    PRI_MODET_PREFIX"o",
 		    p0, (execpath ? "" : "LOAD_"), st.st_mode);
 	    if (p) *p = '/';
 	    RB_GC_GUARD(path);