--- a/libtins.pc.in
+++ b/libtins.pc.in
@@ -1,6 +1,6 @@
 prefix=@pkgconfig_prefix@
 exec_prefix=@pkgconfig_exec_prefix@
-libdir=@pkgconfig_libdir@
+libdir=${exec_prefix}/lib
 includedir=${prefix}/include
 
 Name: libtins