diff --git a/src/compiler/shader_enums.h b/src/compiler/shader_enums.h
index 11cd3b5b1da..440d853aec5 100644
--- a/src/compiler/shader_enums.h
+++ b/src/compiler/shader_enums.h
@@ -806,8 +806,10 @@ enum blend_factor
 {
    BLEND_FACTOR_ZERO,
    BLEND_FACTOR_SRC_COLOR,
+   BLEND_FACTOR_SRC1_COLOR,
    BLEND_FACTOR_DST_COLOR,
    BLEND_FACTOR_SRC_ALPHA,
+   BLEND_FACTOR_SRC1_ALPHA,
    BLEND_FACTOR_DST_ALPHA,
    BLEND_FACTOR_CONSTANT_COLOR,
    BLEND_FACTOR_CONSTANT_ALPHA,