--- a/cmake/Modules/GeneratePkgConfig/pkg-config.cmake.in
+++ b/cmake/Modules/GeneratePkgConfig/pkg-config.cmake.in
@@ -1,5 +1,5 @@
 prefix=@CMAKE_INSTALL_PREFIX@
-libdir=${prefix}/@_INSTALL_LIBDIR@
+libdir=@_INSTALL_LIBDIR@
 
 Name: @_PROJECT_NAME@
 Description: @_PROJECT_DESCRIPTION@