diff --git a/src/core/operations/ExtractLSB.mjs b/src/core/operations/ExtractLSB.mjs
index 72d080883..cd6128d36 100644
--- a/src/core/operations/ExtractLSB.mjs
+++ b/src/core/operations/ExtractLSB.mjs
@@ -77,6 +77,10 @@ class ExtractLSB extends Operation {
             height = parsedImage.bitmap.height,
             rgba = parsedImage.bitmap.data;
 
+        if (bit < 0 || bit > 7) {
+            throw new OperationError("Error: Bit argument must be between 0 and 7");
+        }
+
         let i, combinedBinary = "";
 
         if (pixelOrder === "Row") {