diff --git a/gladys/Makefile b/gladys/Makefile
index a53c58844b9cc3b5c05d2abfe09594c6af9792b0..f51cafb2abf46e499f0b0521ca5a20e755603763 100644
--- a/gladys/Makefile
+++ b/gladys/Makefile
@@ -16,6 +16,7 @@ CMAKE_ARGS+=		-DBOOST_INCLUDEDIR=${PREFIX.boost-headers}/include
 CMAKE_ARGS+=		-DBOOST_LIBDIR=${PREFIX.boost-libs}/include
 CMAKE_ARGS+=		-DGDAL_CONFIG=${PREFIX.gdal}/bin/gdal-config
 CMAKE_ARGS+=		-DPYTHON_SITE_PACKAGES=${PREFIX}/${PYTHON_SITELIB}
+CMAKE_ARGS+=		-DCMAKE_INSTALL_LIBDIR=lib
 
 DEPEND_ABI.boost-libs=boost-libs>=1.46.1
 DEPEND_ABI.boost-headers=boost-headers>=1.46.1