diff --git a/apps/Signal/uninstall b/apps/Signal/uninstall
index 238a43e0be..9e3412b1e7 100755
--- a/apps/Signal/uninstall
+++ b/apps/Signal/uninstall
@@ -1,3 +1,5 @@
 #!/bin/bash
 
+killall 'signal-desktop-unofficial --no-sandbox' 2>/dev/null
+
 purge_packages || exit 1