diff --git a/src/core/operations/LZMACompress.mjs b/src/core/operations/LZMACompress.mjs
index 0be27089..5a252db2 100644
--- a/src/core/operations/LZMACompress.mjs
+++ b/src/core/operations/LZMACompress.mjs
@@ -8,6 +8,7 @@ import Operation from "../Operation.mjs";
 import OperationError from "../errors/OperationError.mjs";
 
 import { compress } from "@blu3r4y/lzma";
+import {isWorkerEnvironment} from "../Utils.mjs";
 
 /**
  * LZMA Compress operation
@@ -43,7 +44,7 @@ class LZMACompress extends Operation {
      * @param {Object[]} args
      * @returns {ArrayBuffer}
      */
-    run(input, args) {
+    async run(input, args) {
         const mode = Number(args[0]);
         return new Promise((resolve, reject) => {
             compress(new Uint8Array(input), mode, (result, error) => {
@@ -53,7 +54,7 @@ class LZMACompress extends Operation {
                 // The compression returns as an Int8Array, but we can just get the unsigned data from the buffer
                 resolve(new Int8Array(result).buffer);
             }, (percent) => {
-                self.sendStatusMessage(`Compressing input: ${(percent*100).toFixed(2)}%`);
+                if (isWorkerEnvironment()) self.sendStatusMessage(`Compressing input: ${(percent*100).toFixed(2)}%`);
             });
         });
     }
diff --git a/src/core/operations/LZMADecompress.mjs b/src/core/operations/LZMADecompress.mjs
index 44908f32..3bebb860 100644
--- a/src/core/operations/LZMADecompress.mjs
+++ b/src/core/operations/LZMADecompress.mjs
@@ -7,6 +7,7 @@
 import Operation from "../Operation.mjs";
 import OperationError from "../errors/OperationError.mjs";
 import {decompress} from "@blu3r4y/lzma";
+import Utils, {isWorkerEnvironment} from "../Utils.mjs";
 
 /**
  * LZMA Decompress operation
@@ -32,16 +33,21 @@ class LZMADecompress extends Operation {
      * @param {Object[]} args
      * @returns {ArrayBuffer}
      */
-    run(input, args) {
+    async run(input, args) {
         return new Promise((resolve, reject) => {
             decompress(new Uint8Array(input), (result, error) => {
                 if (error) {
                     reject(new OperationError(`Failed to decompress input: ${error.message}`));
                 }
-                // The decompression returns as an Int8Array, but we can just get the unsigned data from the buffer
-                resolve(new Int8Array(result).buffer);
+                // The decompression returns either a String or an untyped unsigned int8 array, but we can just get the unsigned data from the buffer
+
+                if (typeof result == "string") {
+                    resolve(Utils.strToArrayBuffer(result));
+                } else {
+                    resolve(new Int8Array(result).buffer);
+                }
             }, (percent) => {
-                self.sendStatusMessage(`Decompressing input: ${(percent*100).toFixed(2)}%`);
+                if (isWorkerEnvironment()) self.sendStatusMessage(`Decompressing input: ${(percent*100).toFixed(2)}%`);
             });
         });
     }
diff --git a/tests/operations/tests/Compress.mjs b/tests/operations/tests/Compress.mjs
index a1e895bb..015277b1 100644
--- a/tests/operations/tests/Compress.mjs
+++ b/tests/operations/tests/Compress.mjs
@@ -23,4 +23,56 @@ TestRegister.addTests([
             }
         ],
     },
+    {
+        name: "LZMA compress & decompress",
+        input: "The cat sat on the mat.",
+        // Generated using command `echo -n "The cat sat on the mat." | lzma -z -6 | xxd -p`
+        expectedOutput: "The cat sat on the mat.",
+        recipeConfig: [
+            {
+                "op": "LZMA Compress",
+                "args": ["6"]
+            },
+            {
+                "op": "LZMA Decompress",
+                "args": []
+            },
+        ],
+    },
+    {
+        name: "LZMA decompress: binary",
+        // Generated using command `echo "00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10" | xxd -r -p | lzma -z -6 | xxd -p`
+        input: "5d00008000ffffffffffffffff00000052500a84f99bb28021a969d627e03e8a922effffbd160000",
+        expectedOutput: "00 01 02 03 04 05 06 07 08 09 0a 0b 0c 0d 0e 0f 10",
+        recipeConfig: [
+            {
+                "op": "From Hex",
+                "args": ["Space"]
+            },
+            {
+                "op": "LZMA Decompress",
+                "args": []
+            },
+            {
+                "op": "To Hex",
+                "args": ["Space", 0]
+            }
+        ],
+    },
+    {
+        name: "LZMA decompress: string",
+        // Generated using command `echo -n "The cat sat on the mat." | lzma -z -6 | xxd -p`
+        input: "5d00008000ffffffffffffffff002a1a08a202b1a4b814b912c94c4152e1641907d3fd8cd903ffff4fec0000",
+        expectedOutput: "The cat sat on the mat.",
+        recipeConfig: [
+            {
+                "op": "From Hex",
+                "args": ["Space"]
+            },
+            {
+                "op": "LZMA Decompress",
+                "args": []
+            }
+        ],
+    },
 ]);