diff --git a/src/compiler/nir/nir.h b/src/compiler/nir/nir.h
index ee60f2410a8..a1bd9b954cf 100644
--- a/src/compiler/nir/nir.h
+++ b/src/compiler/nir/nir.h
@@ -848,9 +848,21 @@ nir_get_nir_type_for_glsl_base_type(enum glsl_base_type base_type)
    case GLSL_TYPE_DOUBLE:
       return nir_type_float64;
       break;
-   default:
-      unreachable("unknown type");
+
+   case GLSL_TYPE_SAMPLER:
+   case GLSL_TYPE_IMAGE:
+   case GLSL_TYPE_ATOMIC_UINT:
+   case GLSL_TYPE_STRUCT:
+   case GLSL_TYPE_INTERFACE:
+   case GLSL_TYPE_ARRAY:
+   case GLSL_TYPE_VOID:
+   case GLSL_TYPE_SUBROUTINE:
+   case GLSL_TYPE_FUNCTION:
+   case GLSL_TYPE_ERROR:
+      return nir_type_invalid;
    }
+
+   unreachable("unknown type");
 }
 
 static inline nir_alu_type