diff --git a/options/sanitationRules.js b/options/sanitationRules.js
index cc90a7c..3d0b275 100644
--- a/options/sanitationRules.js
+++ b/options/sanitationRules.js
@@ -76,11 +76,13 @@
 					});
 				}
 				[
+					{mainFlag: "protectedCanvasPart", mainFlagDisabledValue: "nothing", section: "Canvas-API"},
 					{mainFlag: "protectAudio", section: "Audio-API"},
 					{mainFlag: "protectWindow", section: "Window-API"},
 					{mainFlag: "protectDOMRect", section: "DOMRect-API"},
+					{mainFlag: "protectNavigator", section: "Navigator-API"},
 				].forEach(function(api){
-					if (settings.get(api.mainFlag)){
+					if (settings.get(api.mainFlag) !== (api.mainFlagDisabledValue || false)){
 						let inSection = false;
 						let anyActive = false;
 						if (getSectionKeys(api.section).every(function(key){
@@ -104,7 +106,7 @@
 									{
 										label: extension.getTranslation("sanitation_resolution.disableMainFlag"),
 										callback: function(){
-											settings.set(api.mainFlag, false);
+											settings.set(api.mainFlag, api.mainFlagDisabledValue || false);
 										}
 									},
 								]
diff --git a/releaseNotes.txt b/releaseNotes.txt
index a2f01ab..fe0f657 100644
--- a/releaseNotes.txt
+++ b/releaseNotes.txt
@@ -7,6 +7,7 @@ Version 0.5.15:
 	
 	fixes:
 		- background color of the textarea in the settings export was not readable in the dark theme when the value was invalid
+		- settings sanitation: added missing APIs
 	
 	known issues:
 		- if a data URL is blocked the page action button does not appear