diff --git a/pkgconfig/eismuliplexer.pc.in b/pkgconfig/eismuliplexer.pc.in
index c181acf..8fc4898 100644
--- a/pkgconfig/eismuliplexer.pc.in
+++ b/pkgconfig/eismuliplexer.pc.in
@@ -1,4 +1,5 @@
 includedir=@CMAKE_INSTALL_PREFIX@/include
+libdir=@CMAKE_INSTALL_PREFIX@/lib
 
 Name: libeismuliplexer
 Description: C lib to control EISmultiplexer devices