diff --git a/qcg.pro b/qcg.pro
index fd35105..51ec856 100644
--- a/qcg.pro
+++ b/qcg.pro
@@ -1,9 +1,15 @@
 # Build file for QCachegrind using qmake
 # This does not require KDE in any way (neither at build nor run time)
 
-lessThan(QT_VERSION, 5.3) {
+
+lessThan(QT_MAJOR_VERSION, 5) {
     error("QCachegrind requires Qt 5.3 or greater")
 }
 
+lessThan(QT_MINOR_VERSION, 3) {
+    error("QCachegrind requires Qt 5.3 or greater")
+}
+
+
 TEMPLATE = subdirs
 SUBDIRS = cgview qcachegrind