diff --git a/Compiler/include/Luau/Compiler.h b/Compiler/include/Luau/Compiler.h
index 1002f263..51588cb4 100644
--- a/Compiler/include/Luau/Compiler.h
+++ b/Compiler/include/Luau/Compiler.h
@@ -37,9 +37,9 @@ struct CompileOptions
     const char* vectorLib = nullptr;
     const char* vectorCtor = nullptr;
 
-    // optional array of globals that are mutable; disables the import optimization for fields accessed through them
+    // array of globals that are mutable; disables the import optimization for fields accessed through them
     // use NULL to end the array
-    const char** mutableGlobalNames;
+    const char** mutableGlobalNames = nullptr;
 };
 
 class CompileError : public std::exception