diff --git a/CMakeLists.txt b/CMakeLists.txt
index 98c2c48..719a017 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -295,6 +295,11 @@ else ()
 	set(DEFAULT_INSTALL_TYPE "NONE")
 endif ()
 
+if (NOT CMAKE_INSTALL_LIBDIR)
+	set(CMAKE_INSTALL_LIBDIR lib)
+endif ()
+
+
 set(GNUSTEP_INSTALL_TYPE ${DEFAULT_INSTALL_TYPE} CACHE STRING
 	"GNUstep installation type.  Options are NONE, SYSTEM, NETWORK or LOCAL.")
 if (${GNUSTEP_INSTALL_TYPE} STREQUAL "NONE")