diff --git a/lib/captcha/generators/grid.js b/lib/captcha/generators/grid.js
index 17df8902..b27c0a59 100644
--- a/lib/captcha/generators/grid.js
+++ b/lib/captcha/generators/grid.js
@@ -41,7 +41,7 @@ module.exports = async () => {
 	for(let j = 0; j < size; j++) { //for each row
 
 		//x offset for whole row (not per character or it gets way too difficult to solve)
-		let cxOffset = await randomRange(0, spaceSize * 1.5);
+		let cxOffset = await randomRange(0, Math.floor(spaceSize * 1.5));
 
 		for(let i = 0; i < size; i++) { //for character in row
 			const index = (j*size)+i;