diff --git a/cmake/DdeDock/DdeDockConfig.cmake.in b/cmake/DdeDock/DdeDockConfig.cmake.in
index bbe0b8b60..92b58380c 100644
--- a/cmake/DdeDock/DdeDockConfig.cmake.in
+++ b/cmake/DdeDock/DdeDockConfig.cmake.in
@@ -1,2 +1,2 @@
 set(DDE_DOCK_INCLUDE_DIR @CMAKE_INSTALL_FULL_INCLUDEDIR@/dde-dock)
-include_directories("${DTKCORE_INCLUDE_DIR}")
+include_directories("${DDE_DOCK_INCLUDE_DIR}")