diff --git a/frontend/ui/data/strings.lua b/frontend/ui/data/strings.lua
index b3cfa283e..ac0c7f68f 100644
--- a/frontend/ui/data/strings.lua
+++ b/frontend/ui/data/strings.lua
@@ -8,6 +8,7 @@ S.PAGE_CROP = _("Page Crop")
 S.FULL_SCREEN = _("Full Screen")
 S.SCROLL_MODE = _("Scroll Mode")
 S.ZOOM_DPI = _("Zoom (dpi)")
+S.PAGE_MARGIN = _("Margin")
 S.H_PAGE_MARGINS = _("L/R Margins")
 S.T_PAGE_MARGIN = _("Top Margin")
 S.B_PAGE_MARGIN = _("Bottom Margin")