diff --git a/src/gallium/drivers/r600/evergreen_state.c b/src/gallium/drivers/r600/evergreen_state.c
index 4ffc2684d56..99d95075d93 100644
--- a/src/gallium/drivers/r600/evergreen_state.c
+++ b/src/gallium/drivers/r600/evergreen_state.c
@@ -1211,6 +1211,7 @@ static void evergreen_set_color_surface_common(struct r600_context *rctx,
 		S_028C70_COMP_SWAP(swap) |
 		S_028C70_BLEND_CLAMP(blend_clamp) |
 		S_028C70_BLEND_BYPASS(blend_bypass) |
+		S_028C70_SIMPLE_FLOAT(1) |
 		S_028C70_NUMBER_TYPE(ntype) |
 		S_028C70_ENDIAN(endian);
 
diff --git a/src/gallium/drivers/r600/r600_state.c b/src/gallium/drivers/r600/r600_state.c
index c21e8dabb1f..0c331537460 100644
--- a/src/gallium/drivers/r600/r600_state.c
+++ b/src/gallium/drivers/r600/r600_state.c
@@ -898,6 +898,7 @@ static void r600_init_color_surface(struct r600_context *rctx,
 		S_0280A0_COMP_SWAP(swap) |
 		S_0280A0_BLEND_BYPASS(blend_bypass) |
 		S_0280A0_BLEND_CLAMP(blend_clamp) |
+		S_0280A0_SIMPLE_FLOAT(1) |
 		S_0280A0_NUMBER_TYPE(ntype) |
 		S_0280A0_ENDIAN(endian);