1 files changed, 4 insertions, 0 deletions
diff --git a/sprintf.c b/sprintf.c
index 7e2178e93f..2448a92eb4 100644
--- a/sprintf.c
+++ b/sprintf.c
@@ -847,6 +847,10 @@ fmt_setup(buf, c, flags, width, prec)
 #  define u_quad_t unsigned LONG_LONG
 # endif
 #endif
+#undef vsnprintf
+#undef snprintf
+#define vsnprintf ruby_vsnprintf
+#define snprintf ruby_snprintf
 #include "missing/vsnprintf.c"
 
 static int