diff --git a/demo/viewer/viewer.pro b/demo/viewer/viewer.pro
index 997230150..c8461fa3d 100644
--- a/demo/viewer/viewer.pro
+++ b/demo/viewer/viewer.pro
@@ -11,7 +11,7 @@ INCLUDEPATH += /usr/X11/include/freetype2
 INCLUDEPATH += .
 
 QMAKE_CXXFLAGS +=' -DDARWIN -Wno-missing-field-initializers'
-unix:LIBS =  -L/opt/mapnik/lib64 -L/usr/X11/lib -lmapnik -lfreetype -L/usr/local/lib -licuuc
+unix:LIBS =  -L/opt/mapnik/lib -L/usr/X11/lib -lmapnik -lfreetype -L/usr/local/lib -licuuc
 unix:LIBS += -lboost_system -lboost_filesystem -lboost_regex -L/opt/boost/lib
 
 # Input