1 files changed, 1 insertions, 0 deletions
diff --git a/bignum.c b/bignum.c
index 120cceb7ec..4986890932 100644
--- a/bignum.c
+++ b/bignum.c
@@ -943,6 +943,7 @@ rb_big_pow(x, y)
 		}
 		z = rb_big_mul(z, x);
 	    }
+	    if (!FIXNUM_P(z)) z = bignorm(z);
 	    return z;
 	}
 	d = (double)yy;