diff --git a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
index 14216e52152..0c977a7b953 100644
--- a/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
+++ b/src/mesa/drivers/dri/i965/brw_wm_surface_state.c
@@ -434,7 +434,7 @@ brw_format_for_mesa_format(gl_format mesa_format)
       [MESA_FORMAT_RGBA_FLOAT32] = BRW_SURFACEFORMAT_R32G32B32A32_FLOAT,
       [MESA_FORMAT_RGBA_FLOAT16] = BRW_SURFACEFORMAT_R16G16B16A16_FLOAT,
       [MESA_FORMAT_RGB_FLOAT32] = BRW_SURFACEFORMAT_R32G32B32_FLOAT,
-      [MESA_FORMAT_RGB_FLOAT16] = 0,
+      [MESA_FORMAT_RGB_FLOAT16] = BRW_SURFACEFORMAT_R16G16B16_FLOAT,
       [MESA_FORMAT_ALPHA_FLOAT32] = BRW_SURFACEFORMAT_A32_FLOAT,
       [MESA_FORMAT_ALPHA_FLOAT16] = BRW_SURFACEFORMAT_A16_FLOAT,
       [MESA_FORMAT_LUMINANCE_FLOAT32] = BRW_SURFACEFORMAT_L32_FLOAT,