diff --git a/src/lib/components/common/InterfaceSettings.svelte b/src/lib/components/common/InterfaceSettings.svelte
index 084afcd3be..e92a0cb439 100644
--- a/src/lib/components/common/InterfaceSettings.svelte
+++ b/src/lib/components/common/InterfaceSettings.svelte
@@ -246,8 +246,10 @@
 		}
 
 		saveSettings({
-			imageCompressionSize: imageCompressionSize,
-			fontFamily
+			...(isDefaultSetting('imageCompressionSize') ? {} : { imageCompressionSize }),
+			...(isDefaultSetting('fontFamily') && fontFamily === defaultFontFamily()
+				? {}
+				: { fontFamily })
 		});
 	};