diff --git a/CMakeLists.txt b/CMakeLists.txt
index 9114b45..c4e523a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -34,7 +34,7 @@ get_target_property(MKDATA_EXE mkdata LOCATION)
 add_custom_command(OUTPUT ${PROJECT_BINARY_DIR}/assets.c
     COMMAND ${MKDATA_EXE} ${RESOURCES} > ${PROJECT_BINARY_DIR}/assets.c
     WORKING_DIRECTORY ${PROJECT_SOURCE_DIR}
-    DEPENDS ${RESOURCES}
+    DEPENDS ${RESOURCES} mkdata
 )
 
 set(SOURCES