1 files changed, 1 insertions, 1 deletions
diff --git a/numeric.c b/numeric.c
index 8e372694e0..dc8a788bfc 100644
--- a/numeric.c
+++ b/numeric.c
@@ -947,7 +947,7 @@ rb_fix2str(x, base)
     else if (base == 8) fmt[2] = 'o';
     else rb_fatal("fixnum cannot treat base %d", base);
 
-    snprintf(buf, 22, fmt, FIX2LONG(x));
+    sprintf(buf, fmt, FIX2LONG(x));
     return rb_str_new2(buf);
 }