diff --git a/OpenCL/inc_cipher_cast.h b/OpenCL/inc_cipher_cast.h
index d27ac3d86..86e59c07d 100644
--- a/OpenCL/inc_cipher_cast.h
+++ b/OpenCL/inc_cipher_cast.h
@@ -586,15 +586,15 @@ CONSTANT_AS uint S[8][256] = {
 
 /* CAST uses three different round functions */
 #define _CAST_f1(l, r, km, kr) \
-	t = rotate(km + r, kr); \
+	t = rotl32_S(km + r, kr); \
 	l ^= ((s_S[0][U8a(t)] ^ s_S[1][U8b(t)]) - \
 	 s_S[2][U8c(t)]) + s_S[3][U8d(t)];
 #define _CAST_f2(l, r, km, kr) \
-	t = rotate(km ^ r, kr); \
+	t = rotl32_S(km ^ r, kr); \
 	l ^= ((s_S[0][U8a(t)] - s_S[1][U8b(t)]) + \
 	 s_S[2][U8c(t)]) ^ s_S[3][U8d(t)];
 #define _CAST_f3(l, r, km, kr) \
-	t = rotate(km - r, kr); \
+	t = rotl32_S(km - r, kr); \
 	l ^= ((s_S[0][U8a(t)] + s_S[1][U8b(t)]) ^ \
 	 s_S[2][U8c(t)]) - s_S[3][U8d(t)];