diff --git a/src/plugins/qtsupport/baseqtversion.cpp b/src/plugins/qtsupport/baseqtversion.cpp
index b4825cbf679..6f9f34857e6 100644
--- a/src/plugins/qtsupport/baseqtversion.cpp
+++ b/src/plugins/qtsupport/baseqtversion.cpp
@@ -659,6 +659,8 @@ QList<Abi> BaseQtVersion::qtAbis() const
 
 bool BaseQtVersion::equals(BaseQtVersion *other)
 {
+    if (m_qmakeCommand != other->m_qmakeCommand)
+        return false;
     if (type() != other->type())
         return false;
     if (uniqueId() != other->uniqueId())