--- ./lib/libzstd.pc.in_orig	2022-07-21 05:43:46 +0000
+++ ./lib/libzstd.pc.in	2022-07-21 05:46:04 +0000
@@ -5,7 +5,7 @@
 prefix=@PREFIX@
 exec_prefix=@EXEC_PREFIX@
 includedir=@INCLUDEDIR@
-libdir=@LIBDIR@
+libdir=${exec_prefix}/lib64
 
 Name: zstd
 Description: fast lossless compression algorithm library