diff --git a/ScriptTool/ScriptTool/Extensions.cs b/ScriptTool/ScriptTool/Extensions.cs
index cfa27e5..8eef008 100644
--- a/ScriptTool/ScriptTool/Extensions.cs
+++ b/ScriptTool/ScriptTool/Extensions.cs
@@ -44,5 +44,11 @@ namespace ScriptTool
             int value = rom[address] | (rom[address + 1] << 8);
             return value;
         }
+
+        public static int AlignTo(this int address, int alignBytes)
+        {
+            int mask = alignBytes - 1;
+            return ((address - 1) & ~mask) + alignBytes;
+        }
     }
 }
diff --git a/ScriptTool/ScriptTool/Program.cs b/ScriptTool/ScriptTool/Program.cs
index 524fe8f..032eea3 100644
--- a/ScriptTool/ScriptTool/Program.cs
+++ b/ScriptTool/ScriptTool/Program.cs
@@ -543,6 +543,9 @@ namespace ScriptTool
 
         static IList<int> CompileM12FixedStringCollection(string name, ref int referenceAddress)
         {
+            // Align to 4 bytes
+            referenceAddress = referenceAddress.AlignTo(4);
+
             int baseAddress = referenceAddress;
             var buffer = new List<byte>();
             var newPointers = new List<int>();