diff --git a/examples/SyntaxHighlighter/src/CMakeLists.txt b/examples/SyntaxHighlighter/src/CMakeLists.txt
index f706667..578b3d9 100644
--- a/examples/SyntaxHighlighter/src/CMakeLists.txt
+++ b/examples/SyntaxHighlighter/src/CMakeLists.txt
@@ -1,11 +1,11 @@
 find_program(LEXESIS_EXE Lexesis PATH "${CMAKE_CURRENT_SOURCE_DIR}/../../../build/bin")
 
-add_custom_command(SOURCE "${CMAKE_CURRENT_SOURCE_DIR}/xmllexer.lxs"
+add_custom_command(DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/xmllexer.lxs"
     COMMAND ${LEXESIS_EXE} ARGS -d "${CMAKE_CURRENT_BINARY_DIR}" -n XMLLexer "${CMAKE_CURRENT_SOURCE_DIR}/xmllexer.lxs"
     OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/XMLLexer.h" "${CMAKE_CURRENT_BINARY_DIR}/XMLLexer.cpp"
     )
 
-add_custom_command(SOURCE "${CMAKE_CURRENT_SOURCE_DIR}/attributelexer.lxs"
+add_custom_command(DEPENDS "${CMAKE_CURRENT_SOURCE_DIR}/attributelexer.lxs"
     COMMAND ${LEXESIS_EXE} ARGS -d "${CMAKE_CURRENT_BINARY_DIR}" -n AttributeLexer "${CMAKE_CURRENT_SOURCE_DIR}/attributelexer.lxs"
     OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/AttributeLexer.h" "${CMAKE_CURRENT_BINARY_DIR}/AttributeLexer.cpp"
     )