diff --git a/omim.pro b/omim.pro
index f30a44d80f..36edc45565 100644
--- a/omim.pro
+++ b/omim.pro
@@ -1,5 +1,10 @@
 # Project that just includes all other projects.
-greaterThan($$member($$split(QT_VERSION, "."), 0), 4) {
+QT_VERSION = $$[QT_VERSION]
+QT_VERSION = $$split(QT_VERSION, ".")
+QT_VER_MAJ = $$member(QT_VERSION, 0)
+QT_VER_MIN = $$member(QT_VERSION, 1)
+
+greaterThan(QT_VER_MAJ, 4) {
   cache()
 }