diff --git a/CMakeLists.txt b/CMakeLists.txt
index ca59b22..47d23b2 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -270,7 +270,8 @@ 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")
-	SET(LIB_INSTALL_PATH lib)
+	SET(LIB_INSTALL_PATH "lib" CACHE STRING
+		"Subdirectory of the root prefix where libraries are installed.")
 	SET(HEADER_INSTALL_PATH "include")
 else ()
 	EXEC_PROGRAM(gnustep-config