diff --git a/src/plugins/platforms/windows/qwindowscontext.cpp b/src/plugins/platforms/windows/qwindowscontext.cpp
index 0a1ca138ad..8601d60761 100644
--- a/src/plugins/platforms/windows/qwindowscontext.cpp
+++ b/src/plugins/platforms/windows/qwindowscontext.cpp
@@ -296,7 +296,7 @@ QWindowsContext::QWindowsContext() :
 #endif
     m_instance = this;
     const QByteArray bv = qgetenv("QT_QPA_VERBOSE");
-    if (bv.isEmpty()) {
+    if (!bv.isEmpty()) {
         const char *v = bv.data();
         QWindowsContext::verboseIntegration = componentVerbose(v, "integration");
         QWindowsContext::verboseWindows = componentVerbose(v, "windows");