diff --git a/libs/main/serialization/pijson.cpp b/libs/main/serialization/pijson.cpp
index 8ef17798..b58085ee 100644
--- a/libs/main/serialization/pijson.cpp
+++ b/libs/main/serialization/pijson.cpp
@@ -547,7 +547,7 @@ void PIJSON::print(PIString & s, const PIJSON & v, PIString tab, bool spaces, bo
 		if (spaces) s += ' ';
 	}
 	switch (v.c_type) {
-	case PIJSON::Invalid: break;
+	case PIJSON::Invalid:
 	case PIJSON::Null: s += "null"; break;
 	case PIJSON::Boolean: s += PIString::fromBool(v.c_value.toBool()); break;
 	case PIJSON::Number: s += v.c_value.toString(); break;