diff --git a/pkgconfig/libcrypto.pc.in b/pkgconfig/libcrypto.pc.in
index 4b9481dda7..50c4a61880 100644
--- a/pkgconfig/libcrypto.pc.in
+++ b/pkgconfig/libcrypto.pc.in
@@ -1,6 +1,6 @@
 prefix=@CMAKE_INSTALL_PREFIX@
-libdir=${prefix}/lib
-includedir=${prefix}/include
+libdir=${prefix}/@CMAKE_INSTALL_LIBDIR@
+includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@
 
 Name: AWS-LC-libcrypto
 Description: AWS-LC cryptography library
diff --git a/pkgconfig/libssl.pc.in b/pkgconfig/libssl.pc.in
index e0819beee8..cddcd1cda5 100644
--- a/pkgconfig/libssl.pc.in
+++ b/pkgconfig/libssl.pc.in
@@ -1,6 +1,6 @@
 prefix=@CMAKE_INSTALL_PREFIX@
-libdir=${prefix}/lib
-includedir=${prefix}/include
+libdir=${prefix}/@CMAKE_INSTALL_LIBDIR@
+includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@
 
 Name: AWS-LC-libssl
 Description: AWS-LC (OpenSSL SHIM)
diff --git a/pkgconfig/openssl.pc.in b/pkgconfig/openssl.pc.in
index 9a79e67dc8..7dcc2752cf 100644
--- a/pkgconfig/openssl.pc.in
+++ b/pkgconfig/openssl.pc.in
@@ -1,6 +1,6 @@
 prefix=@CMAKE_INSTALL_PREFIX@
-libdir=${prefix}/lib
-includedir=${prefix}/include
+libdir=${prefix}/@CMAKE_INSTALL_LIBDIR@
+includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@
 
 Name: AWS-LC
 Description: AWS-LC (OpenSSL SHIM)