diff --git a/etc/lua.pc.in b/etc/lua.pc.in
index 2c4ef36..b01622d 100644
--- a/etc/lua.pc.in
+++ b/etc/lua.pc.in
@@ -5,6 +5,9 @@ exec_prefix=${prefix}
 libdir= @libdir@
 includedir=${prefix}/include
 
+INSTALL_LMOD= ${prefix}/share/lua/${V}
+INSTALL_CMOD= ${prefix}/lib/lua/${V}
+
 Name: Lua
 Description: An Extensible Extension Language
 Version: ${R}