diff --git a/modules/ECMGeneratePkgConfigFile.cmake b/modules/ECMGeneratePkgConfigFile.cmake
--- a/modules/ECMGeneratePkgConfigFile.cmake
+++ b/modules/ECMGeneratePkgConfigFile.cmake
@@ -160,11 +160,11 @@
 
   file(WRITE ${PKGCONFIG_FILENAME}
 "
-Name: @PKGCONFIG_TARGET_LIBNAME@
-Version: @PROJECT_VERSION@
-Libs: -L@CMAKE_INSTALL_PREFIX@/@EGPF_LIB_INSTALL_DIR@ -l@PKGCONFIG_TARGET_LIBNAME@
-Cflags: @PKGCONFIG_TARGET_INCLUDES@ @PKGCONFIG_TARGET_DEFINES@
-Requires: @PKGCONFIG_TARGET_DEPS@
+Name: ${PKGCONFIG_TARGET_LIBNAME}
+Version: ${PROJECT_VERSION}
+Libs: -L${CMAKE_INSTALL_PREFIX}/${EGPF_LIB_INSTALL_DIR} -l${PKGCONFIG_TARGET_LIBNAME}
+Cflags: ${PKGCONFIG_TARGET_INCLUDES} ${PKGCONFIG_TARGET_DEFINES}
+Requires: ${PKGCONFIG_TARGET_DEPS}
 "
   )