diff --git a/dbus-tqt.pc.cmake b/dbus-tqt.pc.cmake
index 6d5b9d9..4260cba 100644
--- a/dbus-tqt.pc.cmake
+++ b/dbus-tqt.pc.cmake
@@ -6,5 +6,6 @@ includedir=@PC_INCLUDE_DIR@
 Name: @PROJECT_NAME@
 Description: D-BUS TQt bindings
 Version: @VERSION@
+Requires: dbus-1
 Libs: -L${libdir} @PC_LIBRARIES@
-Cflags: -I${includedir}
+Cflags: -I${includedir} -I${includedir}/dbus-1.0