1 files changed, 3 insertions, 0 deletions
diff --git a/bignum.c b/bignum.c
index 4c06a7ae59..9b3cf2745d 100644
--- a/bignum.c
+++ b/bignum.c
@@ -2028,6 +2028,9 @@ rb_cstr_to_inum(const char *str, int base, int badcheck)
 	}
     }
 
+    while (buf < p && *buf == 0)
+        buf++;
+
     if (POW2_P(base)) {
         int flags = INTEGER_PACK_BIG_ENDIAN;
         if (!sign)