diff --git a/Source/Engine/Tools/MaterialGenerator/MaterialGenerator.cpp b/Source/Engine/Tools/MaterialGenerator/MaterialGenerator.cpp
index 65c38003c..96b2284dd 100644
--- a/Source/Engine/Tools/MaterialGenerator/MaterialGenerator.cpp
+++ b/Source/Engine/Tools/MaterialGenerator/MaterialGenerator.cpp
@@ -96,7 +96,7 @@ bool FeatureData::Init()
             if (c == '@')
                 break;
         }
-        const Char* end = &contents[i];
+        const Char* end = contents.Get() + i;
 
         // Set input
         Inputs[inIndex].Set(start, (int32)(end - start));