diff --git a/gnu-smalltalk.pc.in b/gnu-smalltalk.pc.in
index 857ceea..b8d27e6 100644
--- a/gnu-smalltalk.pc.in
+++ b/gnu-smalltalk.pc.in
@@ -1,6 +1,7 @@
 prefix = @prefix@
 exec_prefix = @exec_prefix@
 libdir = @libdir@
+pkglibdir = @libdir@/@PACKAGE@
 moduledir = @moduledir@
 includedir = @includedir@