diff --git a/src/checker.cpp b/src/checker.cpp
index 3f36b024c..d22774254 100644
--- a/src/checker.cpp
+++ b/src/checker.cpp
@@ -14,6 +14,8 @@ bool is_operand_value(Operand o) {
 	case Addressing_MapIndex:
 	case Addressing_OptionalOk:
 	case Addressing_SoaVariable:
+	case Addressing_SwizzleValue:
+	case Addressing_SwizzleVariable:
 		return true;
 	}
 	return false;