diff --git a/src/gallium/auxiliary/nir/tgsi_to_nir.c b/src/gallium/auxiliary/nir/tgsi_to_nir.c
index 140b011290f..b5ca49336af 100644
--- a/src/gallium/auxiliary/nir/tgsi_to_nir.c
+++ b/src/gallium/auxiliary/nir/tgsi_to_nir.c
@@ -218,7 +218,7 @@ ttn_translate_interp_mode(unsigned tgsi_interp)
    case TGSI_INTERPOLATE_PERSPECTIVE:
       return INTERP_MODE_SMOOTH;
    case TGSI_INTERPOLATE_COLOR:
-      return INTERP_MODE_SMOOTH;
+      return INTERP_MODE_NONE;
    default:
       unreachable("bad TGSI interpolation mode");
    }