diff --git a/src/math/pow.c b/src/math/pow.c
index b66f632d..3ddc1b6f 100644
--- a/src/math/pow.c
+++ b/src/math/pow.c
@@ -125,11 +125,11 @@ double pow(double x, double y)
 		else if (iy >= 0x3ff00000) {
 			k = (iy>>20) - 0x3ff;  /* exponent */
 			if (k > 20) {
-				j = ly>>(52-k);
+				uint32_t j = ly>>(52-k);
 				if ((j<<(52-k)) == ly)
 					yisint = 2 - (j&1);
 			} else if (ly == 0) {
-				j = iy>>(20-k);
+				uint32_t j = iy>>(20-k);
 				if ((j<<(20-k)) == iy)
 					yisint = 2 - (j&1);
 			}