diff --git a/libffmpegthumbnailer.pc.in b/libffmpegthumbnailer.pc.in
index 0a2f997..af8ef5d 100644
--- a/libffmpegthumbnailer.pc.in
+++ b/libffmpegthumbnailer.pc.in
@@ -1,6 +1,6 @@
 prefix=@CMAKE_INSTALL_PREFIX@
 exec_prefix=${prefix}
-libdir=${exec_prefix}/@CMAKE_INSTALL_LIBDIR@
+libdir=@CMAKE_INSTALL_FULL_LIBDIR@
 includedir=${prefix}/include
 
 Name: libffmpegthumbnailer