diff --git a/qbs/imports/QtcProduct.qbs b/qbs/imports/QtcProduct.qbs
index fff3feeab6e..b98cab0b871 100644
--- a/qbs/imports/QtcProduct.qbs
+++ b/qbs/imports/QtcProduct.qbs
@@ -27,6 +27,11 @@ Product {
 
     Depends { name: "qtc" }
 
+    Properties {
+        condition: qbs.toolchain.includes("clang")
+        cpp.commonCompilerFlags: "-Wno-parentheses-equality"
+    }
+
     cpp.cxxFlags: {
         var flags = [];
         if (qbs.toolchain.contains("gcc")) {
diff --git a/src/libs/3rdparty/lua/lua.qbs b/src/libs/3rdparty/lua/lua.qbs
index 46b6e00be23..73d61b039cf 100644
--- a/src/libs/3rdparty/lua/lua.qbs
+++ b/src/libs/3rdparty/lua/lua.qbs
@@ -13,11 +13,6 @@ QtcLibrary {
         return defines;
     }
 
-    Properties {
-        condition: qbs.toolchain.includes("clang")
-        cpp.cFlags: "-Wno-parentheses-equality"
-    }
-
     Group {
         name: "Sources"
         prefix: "src/"