diff --git a/PoissonRecon.pro b/PoissonRecon.pro
index 7944cc5..363a02a 100755
--- a/PoissonRecon.pro
+++ b/PoissonRecon.pro
@@ -13,7 +13,7 @@ SOURCES +=  Src/PoissonRecon.cpp \
             Src/Geometry.cpp
 
 QMAKE_CXXFLAGS+=-fopenmp -Wsign-compare
-QMAKE_CXXFLAGS-=
+macx:QMAKE_CXXFLAGS-= -fopenmp
 
 TARGET=PoissonRecon