diff --git a/configure.pri b/configure.pri
index 7185647e44..0512ef0144 100644
--- a/configure.pri
+++ b/configure.pri
@@ -694,10 +694,14 @@ defineReplace(printHostPaths) {
 
 defineTest(qtConfOutput_preparePaths) {
     isEmpty(config.input.prefix) {
-        $$qtConfEvaluate("features.developer-build"): \
+        $$qtConfEvaluate("features.developer-build") {
             config.input.prefix = $$QT_BUILD_TREE  # In Development, we use sandboxed builds by default
-        else: \
-            config.input.prefix = /usr/local/Qt-$$[QT_VERSION]
+        } else {
+            win32: \
+                config.input.prefix = C:/Qt/Qt-$$[QT_VERSION]
+            else: \
+                config.input.prefix = /usr/local/Qt-$$[QT_VERSION]
+        }
         have_prefix = false
     } else {
         config.input.prefix = $$absolute_path($$config.input.prefix, $$OUT_PWD)