diff --git a/src/plugins/qt4projectmanager/qtversionmanager.cpp b/src/plugins/qt4projectmanager/qtversionmanager.cpp
index c7381b527a8..c0fa67a0af0 100644
--- a/src/plugins/qt4projectmanager/qtversionmanager.cpp
+++ b/src/plugins/qt4projectmanager/qtversionmanager.cpp
@@ -988,7 +988,7 @@ void QtVersionManager::parseParts(const QStringList &parts, QList<QMakeAssignmen
         if (ignoreNext) {
             // Ignoring
             ignoreNext = false;
-        } else if (part == "after") {
+        } else if (part == "-after") {
             after = true;
         } else if(part.contains('=')) {
             if (regExp.exactMatch(part)) {