diff --git a/Tests/RunCMake/CPack/SOURCE_PACKAGE.cmake b/Tests/RunCMake/CPack/SOURCE_PACKAGE.cmake
index 9958c2adf..946439dd3 100644
--- a/Tests/RunCMake/CPack/SOURCE_PACKAGE.cmake
+++ b/Tests/RunCMake/CPack/SOURCE_PACKAGE.cmake
@@ -1,5 +1,5 @@
 file(WRITE "${CMAKE_CURRENT_BINARY_DIR}/main.cpp"
-    "int main() {return 0;}")
+    "int main() {return 0;}\n")
 add_executable(test_prog "${CMAKE_CURRENT_BINARY_DIR}/main.cpp")
 
 install(TARGETS test_prog DESTINATION foo COMPONENT applications)