diff --git a/src/src.pro b/src/src.pro
index f9cabe5e2..fd0fcf6d5 100644
--- a/src/src.pro
+++ b/src/src.pro
@@ -5,7 +5,7 @@ CONFIG += qt thread silent
 # C++11 support
 CONFIG += c++11
 DEFINES += BOOST_NO_CXX11_RVALUE_REFERENCES
-greaterThan(QT_MAJOR_VERSION, 4): DEFINES += QBT_USES_QT5
+greaterThan(QT_MAJOR_VERSION, 4): greaterThan(QT_MINOR_VERSION, 1): DEFINES += QBT_USES_QT5
 
 # Windows specific configuration
 win32: include(../winconf.pri)