diff --git a/src/core/Utils.mjs b/src/core/Utils.mjs
index a9c381d7..879e9bbb 100755
--- a/src/core/Utils.mjs
+++ b/src/core/Utils.mjs
@@ -1302,6 +1302,7 @@ class Utils {
             "Backslash":     "\\",
             "0x":            "0x",
             "\\x":           "\\x",
+            "Hyphen":        "-",
             "Nothing (separate chars)": "",
             "None":          "",
         }[token];
diff --git a/src/core/operations/A1Z26CipherDecode.mjs b/src/core/operations/A1Z26CipherDecode.mjs
index 0b097c2b..43b4a583 100644
--- a/src/core/operations/A1Z26CipherDecode.mjs
+++ b/src/core/operations/A1Z26CipherDecode.mjs
@@ -26,11 +26,24 @@ class A1Z26CipherDecode extends Operation {
         this.infoURL = "";
         this.inputType = "string";
         this.outputType = "string";
+
+        // Issue 1124 - sometimes hyphen is used as a character delimiter
+        var char_d = [...DELIM_OPTIONS];
+        char_d.push("Hyphen");
+
+        var word_d = [...DELIM_OPTIONS];
+        word_d.unshift("None");
+
         this.args = [
             {
-                name: "Delimiter",
+                name: "Character Delimiter",
                 type: "option",
-                value: DELIM_OPTIONS
+                value: char_d
+            },
+            {
+                name: "Word Delimiter",
+                type: "option",
+                value: word_d
             }
         ];
         this.checks = [
@@ -59,6 +72,11 @@ class A1Z26CipherDecode extends Operation {
                 flags:  "",
                 args:   ["Line feed"]
             },
+            {
+                pattern:  "^\\s*([12]?[0-9]-)+[12]?[0-9]\\s*$",
+                flags:  "",
+                args:   ["Hyphen"]
+            },
             {
                 pattern:  "^\\s*([12]?[0-9]\\r\\n)+[12]?[0-9]\\s*$",
                 flags:  "",
@@ -73,21 +91,33 @@ class A1Z26CipherDecode extends Operation {
      * @returns {string}
      */
     run(input, args) {
-        const delim = Utils.charRep(args[0] || "Space");
+        const char_delim = Utils.charRep(args[0] || "Space");
+        const word_delim = Utils.charRep(args[1] || "None");
 
         if (input.length === 0) {
             return [];
         }
 
-        const bites = input.split(delim);
-        let latin1 = "";
-        for (let i = 0; i < bites.length; i++) {
-            if (bites[i] < 1 || bites[i] > 26) {
-                throw new OperationError("Error: all numbers must be between 1 and 26.");
-            }
-            latin1 += Utils.chr(parseInt(bites[i], 10) + 96);
+        var words;
+        if (word_delim != "") {
+            words = input.split(word_delim);
+        } else {
+            words = [input];
         }
-        return latin1;
+
+        let output = "";
+        for (let j = 0; j < words.length; j++) {
+            const bites = words[j].split(char_delim);
+            let latin1 = "";
+            for (let i = 0; i < bites.length; i++) {
+                if (bites[i] < 1 || bites[i] > 26) {
+                    throw new OperationError("Error: all numbers must be between 1 and 26.");
+                }
+                latin1 += Utils.chr(parseInt(bites[i], 10) + 96);
+            }
+            output = output + " " + latin1;
+        }
+        return output;
     }
 
 }