diff --git a/lib/msun/src/e_pow.c b/lib/msun/src/e_pow.c
index 69ddb7ffcb48..52b2f5cebdbc 100644
--- a/lib/msun/src/e_pow.c
+++ b/lib/msun/src/e_pow.c
@@ -133,7 +133,7 @@ __ieee754_pow(double x, double y)
 		k = (iy>>20)-0x3ff;	   /* exponent */
 		if(k>20) {
 		    j = ly>>(52-k);
-		    if((j<<(52-k))==ly) yisint = 2-(j&1);
+		    if(((u_int32_t)j<<(52-k))==ly) yisint = 2-(j&1);
 		} else if(ly==0) {
 		    j = iy>>(20-k);
 		    if((j<<(20-k))==iy) yisint = 2-(j&1);