diff --git a/libcanberra.pc.in b/libcanberra.pc.in
index 0a5c7a1..91a9e39 100644
--- a/libcanberra.pc.in
+++ b/libcanberra.pc.in
@@ -7,5 +7,7 @@ Name: libcanberra
 Description: Event Sound API
 Version: @PACKAGE_VERSION@
 Libs: -L${libdir} -lcanberra @PTHREAD_LIBS@
+Libs.private: @LIBS_PRIVATE@
 Cflags: -D_REENTRANT -I${includedir}
+Cflags.private: @CFLAGS_PRIVATE@
 Requires: