1 files changed, 5 insertions, 1 deletions
diff --git a/eigen.pri b/eigen.pri
index efb2d3c..dac38a6 100644
--- a/eigen.pri
+++ b/eigen.pri
@@ -67,7 +67,11 @@ isEmpty(EIGEN_INCLUDEPATH) {
 }
 
 # EIGEN being under 'include/eigen[2-3]' needs special prepending
-QMAKE_INCDIR_QT = $$EIGEN_INCLUDEPATH $$QMAKE_INCDIR_QT
+contains(QT_VERSION, ^5\\..*) {
+  QMAKE_INCDIR = $$EIGEN_INCLUDEPATH $$QMAKE_INCDIR
+} else {
+  QMAKE_INCDIR_QT = $$EIGEN_INCLUDEPATH $$QMAKE_INCDIR_QT
+}
 
 # qmakespecs on netbsd prepend system includes, we need eigen first. 
 netbsd* {