diff --git a/Telegram/qt_static.pri b/Telegram/qt_static.pri
index f2116d7c7..4cbcf7b5e 100644
--- a/Telegram/qt_static.pri
+++ b/Telegram/qt_static.pri
@@ -1,17 +1,22 @@
 QT_TDESKTOP_VERSION_DEFAULT = 5.6.0
 QT_TDESKTOP_PATH_DEFAULT = /usr/local/tdesktop/Qt-$${QT_TDESKTOP_VERSION_DEFAULT}
 
-QT_TDESKTOP_VERSION = $${QT_TDESKTOP_VERSION}
 QT_TDESKTOP_PATH = $${QT_TDESKTOP_PATH}
-
 isEmpty(QT_TDESKTOP_PATH) {
-    message(QT_TDESKTOP_PATH is not set. Using default value $${QT_TDESKTOP_PATH_DEFAULT})
-    QT_TDESKTOP_PATH = $${QT_TDESKTOP_PATH_DEFAULT}
-
+    QT_TDESKTOP_PATH = $$(QT_TDESKTOP_PATH)
+    isEmpty(QT_TDESKTOP_PATH) {
+        message(QT_TDESKTOP_PATH is not set. Using default value $${QT_TDESKTOP_PATH_DEFAULT})
+        QT_TDESKTOP_PATH = $${QT_TDESKTOP_PATH_DEFAULT}
+    }
 }
+
+QT_TDESKTOP_VERSION = $${QT_TDESKTOP_VERSION}
 isEmpty(QT_TDESKTOP_VERSION) {
-    message(QT_TDESKTOP_VERSION is not set. Using default value $${QT_TDESKTOP_VERSION_DEFAULT})
-    QT_TDESKTOP_VERSION = $${QT_TDESKTOP_VERSION_DEFAULT}
+    QT_TDESKTOP_VERSION = $$(QT_TDESKTOP_VERSION)
+    isEmpty(QT_TDESKTOP_VERSION) {
+        message(QT_TDESKTOP_VERSION is not set. Using default value $${QT_TDESKTOP_VERSION_DEFAULT})
+        QT_TDESKTOP_VERSION = $${QT_TDESKTOP_VERSION_DEFAULT}
+    }
 }
 
 INCLUDEPATH += $${QT_TDESKTOP_PATH}/include/QtGui/$${QT_TDESKTOP_VERSION}/QtGui \