diff --git a/src/support/Systemcall.cpp b/src/support/Systemcall.cpp
index 572ebf6732..2d139e7970 100644
--- a/src/support/Systemcall.cpp
+++ b/src/support/Systemcall.cpp
@@ -52,7 +52,8 @@ namespace support {
 
 // Reuse of instance
 #ifndef USE_QPROCESS
-int Systemcall::startscript(Starttype how, string const & what)
+int Systemcall::startscript(Starttype how, string const & what,
+							bool /*process_events*/)
 {
 	string command = what;