diff -Nrup a/libvncclient.pc.cmakein b/libvncclient.pc.cmakein
--- a/libvncclient.pc.cmakein	2020-06-13 20:49:53.000000000 +0200
+++ b/libvncclient.pc.cmakein	2020-06-30 21:14:39.767714315 +0200
@@ -1,6 +1,6 @@
 prefix=@CMAKE_INSTALL_PREFIX@
 exec_prefix=@CMAKE_INSTALL_PREFIX@
-libdir=@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@
+libdir=@CMAKE_INSTALL_LIBDIR@
 includedir=@CMAKE_INSTALL_PREFIX@/include
 
 Name: LibVNCClient
diff -Nrup a/libvncserver.pc.cmakein b/libvncserver.pc.cmakein
--- a/libvncserver.pc.cmakein	2020-06-13 20:49:53.000000000 +0200
+++ b/libvncserver.pc.cmakein	2020-06-30 21:14:50.027816251 +0200
@@ -1,6 +1,6 @@
 prefix=@CMAKE_INSTALL_PREFIX@
 exec_prefix=@CMAKE_INSTALL_PREFIX@
-libdir=@CMAKE_INSTALL_PREFIX@/@CMAKE_INSTALL_LIBDIR@
+libdir=@CMAKE_INSTALL_LIBDIR@
 includedir=@CMAKE_INSTALL_PREFIX@/include
 
 Name: LibVNCServer