diff --git a/common/backintime.desktop b/common/backintime.desktop
index 906f16113..b036c42b7 100644
--- a/common/backintime.desktop
+++ b/common/backintime.desktop
@@ -4,6 +4,6 @@ Name=Backintime Password Cache
 Exec=/bin/sh -c "backintime pw-cache start 2>&1 >/dev/null"
 Comment=Cache passwords for non-interactive Backintime cronjobs
 Icon=gtk-save
-SingleMainWindow=True
+SingleMainWindow=true
 Terminal=false
 Type=Application