diff --git a/artifacts/exe/Firefly b/artifacts/exe/Firefly
index 9d30881..a6e9ea5 100644
Binary files a/artifacts/exe/Firefly and b/artifacts/exe/Firefly differ
diff --git a/artifacts/exe/Firefly.dbg b/artifacts/exe/Firefly.dbg
index 3c03272..2321fd4 100644
Binary files a/artifacts/exe/Firefly.dbg and b/artifacts/exe/Firefly.dbg differ
diff --git a/artifacts/exe/Firefly.exe b/artifacts/exe/Firefly.exe
index c3a617b..035aeb5 100644
Binary files a/artifacts/exe/Firefly.exe and b/artifacts/exe/Firefly.exe differ
diff --git a/artifacts/exe/Firefly.pdb b/artifacts/exe/Firefly.pdb
index dc4b1d0..6ac887d 100644
Binary files a/artifacts/exe/Firefly.pdb and b/artifacts/exe/Firefly.pdb differ
diff --git a/artifacts/exe/Firefly.xml b/artifacts/exe/Firefly.xml
index fd2e5e4..db4c865 100644
--- a/artifacts/exe/Firefly.xml
+++ b/artifacts/exe/Firefly.xml
@@ -227,6 +227,13 @@
             <param name="args">Command arguments containing the key</param>
             <returns>The popped value or nil if the list is empty</returns>
         </member>
+        <member name="M:Firefly.Firefly.HandleLLengthCommand(System.String)">
+            <summary>
+            Handles the LLEN command which returns the length of a list.
+            </summary>
+            <param name="args">Command arguments containing the key</param>
+            <returns>The length of the list or 0 if the key does not exist</returns>
+        </member>
         <member name="M:Firefly.Firefly.HandleLRangeCommand(System.String)">
             <summary>
             Handles the LRANGE command which returns a range of elements from a list.
diff --git a/artifacts/native/Firefly.dll b/artifacts/native/Firefly.dll
index af6f26b..5a4a6b3 100644
Binary files a/artifacts/native/Firefly.dll and b/artifacts/native/Firefly.dll differ
diff --git a/artifacts/native/Firefly.pdb b/artifacts/native/Firefly.pdb
index 1d98a73..f362799 100644
Binary files a/artifacts/native/Firefly.pdb and b/artifacts/native/Firefly.pdb differ
diff --git a/artifacts/native/Firefly.xml b/artifacts/native/Firefly.xml
index fd2e5e4..db4c865 100644
--- a/artifacts/native/Firefly.xml
+++ b/artifacts/native/Firefly.xml
@@ -227,6 +227,13 @@
             <param name="args">Command arguments containing the key</param>
             <returns>The popped value or nil if the list is empty</returns>
         </member>
+        <member name="M:Firefly.Firefly.HandleLLengthCommand(System.String)">
+            <summary>
+            Handles the LLEN command which returns the length of a list.
+            </summary>
+            <param name="args">Command arguments containing the key</param>
+            <returns>The length of the list or 0 if the key does not exist</returns>
+        </member>
         <member name="M:Firefly.Firefly.HandleLRangeCommand(System.String)">
             <summary>
             Handles the LRANGE command which returns a range of elements from a list.
diff --git a/src/ListOperations.cs b/src/ListOperations.cs
index 58fb450..b9ba45d 100644
--- a/src/ListOperations.cs
+++ b/src/ListOperations.cs
@@ -165,13 +165,9 @@ namespace Firefly
             }
 
             string key = args.Trim();
-            int length = 0;
-
-            // Use helper function to safely read the list with read lock
-            ListStoreWithReadLock(key, list =>
-            {
-                length = list.Count;
-            });
+            
+            // Change to use the generic method correctly by returning the length
+            int length = ListStoreWithReadLock(key, list => list.Count);
 
             return Encoding.UTF8.GetBytes($":{length}\r\n");
         }