diff --git a/main.ts b/main.ts
index de32892..601d469 100644
--- a/main.ts
+++ b/main.ts
@@ -80,7 +80,8 @@ class NinjaCursorForWindow {
 				textRange.setEndAfter(range.startContainer);
 				let textRect = textRange.getBoundingClientRect();
 				if (textRect.x == 0 && textRect.y == 0) {
-					textRange.setStart(range.endContainer, range.endOffset - 1);
+					const startEndOffset = range.endOffset - 1 < 0 ? 0 : range.endOffset - 1;
+					textRange.setStart(range.endContainer, startEndOffset);
 					textRange.setEnd(range.endContainer, range.endOffset);
 					const textRects = textRange.getClientRects();
 					const tempRect = textRects.item(textRects.length - 1);
diff --git a/manifest.json b/manifest.json
index 3aafb38..fdeb26b 100644
--- a/manifest.json
+++ b/manifest.json
@@ -1,7 +1,7 @@
 {
 	"id": "ninja-cursor",
 	"name": "Ninja Cursor",
-	"version": "0.0.9",
+	"version": "0.0.10",
 	"minAppVersion": "0.12.0",
 	"description": "The plugin which enhance cursor visibility.",
 	"author": "vorotamoroz",
diff --git a/package-lock.json b/package-lock.json
index abffa3e..a8e5f0c 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -1,12 +1,12 @@
 {
 	"name": "ninja-cursor",
-	"version": "0.0.9",
+	"version": "0.0.10",
 	"lockfileVersion": 2,
 	"requires": true,
 	"packages": {
 		"": {
 			"name": "ninja-cursor",
-			"version": "0.0.9",
+			"version": "0.0.10",
 			"license": "MIT",
 			"devDependencies": {
 				"@types/node": "^16.11.6",
diff --git a/package.json b/package.json
index 85e2b9e..2a44c60 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
 	"name": "ninja-cursor",
-	"version": "0.0.9",
+	"version": "0.0.10",
 	"description": "The plugin which enhance cursor visibility.",
 	"main": "main.js",
 	"scripts": {