diff --git a/src/mgl/mgl.pro b/src/mgl/mgl.pro
index 1aad505a..538d4dd1 100644
--- a/src/mgl/mgl.pro
+++ b/src/mgl/mgl.pro
@@ -8,6 +8,7 @@
 TEMPLATE=lib
 CONFIG=staticlib
 TARGET=../../lib/mgl
+QT       += core
 
 mac {
     INCLUDEPATH += /System/Library/Frameworks/CoreFoundation.framework/Versions/Current/Headers