diff --git a/src/meshlabplugins/filter_qhull/filter_qhull.pro b/src/meshlabplugins/filter_qhull/filter_qhull.pro
index 8e8603d02..6de84dc49 100644
--- a/src/meshlabplugins/filter_qhull/filter_qhull.pro
+++ b/src/meshlabplugins/filter_qhull/filter_qhull.pro
@@ -20,6 +20,7 @@ INCLUDEPATH += \
 win32-msvc:LIBS += $$MESHLAB_DISTRIB_EXT_DIRECTORY/qhull.lib
 win32-g++:LIBS += $$MESHLAB_DISTRIB_EXT_DIRECTORY/libqhull.a
 macx:LIBS += $$MESHLAB_DISTRIB_EXT_DIRECTORY/libqhull.a
+!system_qhull:linux:LIBS += -L$$MESHLAB_DISTRIB_EXT_DIRECTORY
 linux:LIBS += -lqhull
 
 TARGET = filter_qhull