diff --git a/src/plugins/git/git.qbs b/src/plugins/git/git.qbs
index 9c3f307c63d..c155cb8a8f5 100644
--- a/src/plugins/git/git.qbs
+++ b/src/plugins/git/git.qbs
@@ -13,6 +13,7 @@ QtcPlugin {
     Depends { name: "Locator" }
 
     Depends { name: "cpp" }
+    cpp.defines: base.concat(["QT_NO_CAST_FROM_ASCII"])
     cpp.includePaths: [
         ".",
         "gitorious",
diff --git a/src/plugins/todo/todo.qbs b/src/plugins/todo/todo.qbs
index 88ecffed7e1..f0383d5764f 100644
--- a/src/plugins/todo/todo.qbs
+++ b/src/plugins/todo/todo.qbs
@@ -14,7 +14,7 @@ QtcPlugin {
     Depends { name: "QmlJs" }
 
     Depends { name: "cpp" }
-    cpp.defines: base.concat(["QT_NO_CAST_TO_ASCII"])
+    cpp.defines: base.concat(["QT_NO_CAST_FROM_ASCII"])
     cpp.includePaths: [
         "..",
         "../../libs",