1 files changed, 1 insertions, 1 deletions
diff --git a/bignum.c b/bignum.c
index af7d115e02..ec1a864a9a 100644
--- a/bignum.c
+++ b/bignum.c
@@ -4332,7 +4332,7 @@ rb_big_pow(VALUE x, VALUE y)
 	    SIGNED_VALUE mask;
 	    const long xlen = RBIGNUM_LEN(x);
             const long xbits = BITSPERDIG*xlen - nlz(RBIGNUM_DIGITS(x)[xlen-1]);
-	    const long BIGLEN_LIMIT = BITSPERDIG*1024*1024;
+	    const long BIGLEN_LIMIT = 32*1024*1024;
 
 	    if ((xbits > BIGLEN_LIMIT) || (xbits * yy > BIGLEN_LIMIT)) {
 		rb_warn("in a**b, b may be too big");