diff --git a/src/mesa/drivers/dri/i965/brw_defines.h b/src/mesa/drivers/dri/i965/brw_defines.h
index d8224878574..f7bacf5e084 100644
--- a/src/mesa/drivers/dri/i965/brw_defines.h
+++ b/src/mesa/drivers/dri/i965/brw_defines.h
@@ -1050,7 +1050,9 @@ enum brw_message_target {
 #define GEN7_SAMPLER_MESSAGE_SAMPLE_GATHER4      8
 #define GEN5_SAMPLER_MESSAGE_LOD                 9
 #define GEN5_SAMPLER_MESSAGE_SAMPLE_RESINFO      10
+#define GEN7_SAMPLER_MESSAGE_SAMPLE_GATHER4_C    16
 #define GEN7_SAMPLER_MESSAGE_SAMPLE_GATHER4_PO   17
+#define GEN7_SAMPLER_MESSAGE_SAMPLE_GATHER4_PO_C 18
 #define HSW_SAMPLER_MESSAGE_SAMPLE_DERIV_COMPARE 20
 #define GEN7_SAMPLER_MESSAGE_SAMPLE_LD_MCS       29
 #define GEN7_SAMPLER_MESSAGE_SAMPLE_LD2DMS       30