diff --git a/fceux.pro b/fceux.pro
index 46a7c2fd..6961d182 100644
--- a/fceux.pro
+++ b/fceux.pro
@@ -48,6 +48,8 @@ unix {
 	QMAKE_CXXFLAGS -=  -O2 
 	QMAKE_CXXFLAGS +=  -D__QT_DRIVER__  -O0  -g3  -Wall  -Wno-write-strings  -Wno-sign-compare  -Wno-parentheses  -Wno-unused-local-typedefs
 	QMAKE_CXXFLAGS_RELEASE -= -O2
+
+	LIBS += -lz
 }
 
 # Input
diff --git a/pipelines/macOS_build.sh b/pipelines/macOS_build.sh
index 69705d61..9596f945 100755
--- a/pipelines/macOS_build.sh
+++ b/pipelines/macOS_build.sh
@@ -18,11 +18,15 @@ echo '****************************************'
 brew  install  sdl2
 brew  install  qt5
 brew  install  minizip
-brew  install  zlib
+#brew  install  zlib  # Already installed in appveyor macOS
+
+export PKG_CONFIG_PATH=$PKG_CONFIG_PATH:/usr/local/lib/pkgconfig:
+
+QMAKE=`find /usr/local -name qmake`;
 
 mkdir build;
 cd build;
-/usr/local/Cellar/qt/5.15.0/bin/qmake ..
+$QMAKE ..
 make
 
 # Debug via ssh if necessary