diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7a49dc47ea..2066189f4b 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -141,6 +141,7 @@ endif()
 CONFIGURE_FILE(
     "${CMAKE_CURRENT_SOURCE_DIR}/cmake/pkg-config.pc.in"
     "${CMAKE_CURRENT_BINARY_DIR}/${PROJECT_NAME}.pc"
+    @ONLY
 )
 
 ##
diff --git a/cmake/pkg-config.pc.in b/cmake/pkg-config.pc.in
index d36317f09a..21a91a3cf3 100644
--- a/cmake/pkg-config.pc.in
+++ b/cmake/pkg-config.pc.in
@@ -1,4 +1,7 @@
-Name: ${PROJECT_NAME}
+prefix=@CMAKE_INSTALL_PREFIX@
+includedir=${prefix}/@CMAKE_INSTALL_INCLUDEDIR@
+
+Name: @PROJECT_NAME@
 Description: JSON for Modern C++
-Version: ${PROJECT_VERSION}
-Cflags: -I${CMAKE_INSTALL_FULL_INCLUDEDIR}
+Version: @PROJECT_VERSION@
+Cflags: -I${includedir}