diff --git a/intern/cycles/kernel/shaders/node_brick_texture.osl b/intern/cycles/kernel/shaders/node_brick_texture.osl
index eaa5bfc776f..c303594681c 100644
--- a/intern/cycles/kernel/shaders/node_brick_texture.osl
+++ b/intern/cycles/kernel/shaders/node_brick_texture.osl
@@ -19,9 +19,9 @@
 
 /* Brick */
 
-float brick_noise(uint n) /* fast integer noise */
+float brick_noise(int n) /* fast integer noise */
 {
-	uint nn;
+	int nn;
 	n = (n + 1013) & 2147483647;
 	n = (n >> 13) ^ n;
 	nn = (n * (n * n * 60493 + 19990303) + 1376312589) & 2147483647;