diff --git a/src/libs/utils/launcherpackets.h b/src/libs/utils/launcherpackets.h
index 923cd2e3f50..9795f0f9da8 100644
--- a/src/libs/utils/launcherpackets.h
+++ b/src/libs/utils/launcherpackets.h
@@ -111,7 +111,7 @@ class ProcessStartedPacket : public LauncherPacket
 public:
     ProcessStartedPacket(quintptr token);
 
-    int processId;
+    int processId = 0;
 
 private:
     void doSerialize(QDataStream &stream) const override;