diff --git a/patch-control.sh b/patch-control.sh
index 0969f2e7f826e75759416178dca04062cca1f995..190a8d254cf2e74cf1c5f6d047ff0c6bda97729f 100755
--- a/patch-control.sh
+++ b/patch-control.sh
@@ -180,7 +180,7 @@ PROCS=(${PROCS[*]} $!)
 # Point the browser to the correct address, if required
 zenity --question \
        --text="Would you like to open the DetectorManager GUI?" \
-       --cancel-label="No, thanks" && firefox http://localhost:1301/ &
+       --cancel-label="No, thanks" && firefox http://localhost:1302/ &
 PROCS=(${PROCS[*]} $!)
 
 # Wait the end of the run