diff --git a/toolchains/arduino/org.eclipse.cdt.arduino.core/templates/cppsketch/manifest.xml b/toolchains/arduino/org.eclipse.cdt.arduino.core/templates/cppsketch/manifest.xml
index 148f5c807ca..2b8b3f07fca 100644
--- a/toolchains/arduino/org.eclipse.cdt.arduino.core/templates/cppsketch/manifest.xml
+++ b/toolchains/arduino/org.eclipse.cdt.arduino.core/templates/cppsketch/manifest.xml
@@ -1,4 +1,5 @@
 <templateManifest>
-	<file src="/templates/cppsketch/arduino.cpp"
+	<file open="true"
+		src="/templates/cppsketch/arduino.cpp"
 		dest="/${projectName}/${projectName}.cpp"/>
 </templateManifest>
\ No newline at end of file