diff --git a/Code/Framework/AzCore/AzCore/Memory/BestFitExternalMapSchema.cpp b/Code/Framework/AzCore/AzCore/Memory/BestFitExternalMapSchema.cpp
index 9561d1019c..5029e6349f 100644
--- a/Code/Framework/AzCore/AzCore/Memory/BestFitExternalMapSchema.cpp
+++ b/Code/Framework/AzCore/AzCore/Memory/BestFitExternalMapSchema.cpp
@@ -133,13 +133,13 @@ namespace AZ
 
     BestFitExternalMapSchema::size_type BestFitExternalMapSchema::Resize(pointer_type, size_type)
     {
-        AZ_Assert(false, AZ_FUNCTION_SIGNATURE " unsupported");
+        AZ_Assert(false, "%s unsupported", AZ_FUNCTION_SIGNATURE);
         return 0;
     }
 
     BestFitExternalMapSchema::pointer_type BestFitExternalMapSchema::ReAllocate(pointer_type, size_type, size_type)
     {
-        AZ_Assert(false, AZ_FUNCTION_SIGNATURE " unsupported");
+        AZ_Assert(false, "%s unsupported", AZ_FUNCTION_SIGNATURE);
         return nullptr;
     }
 
diff --git a/Code/Framework/AzCore/Tests/Memory/AllocatorBenchmarks.cpp b/Code/Framework/AzCore/Tests/Memory/AllocatorBenchmarks.cpp
index 0599038006..e027b03a49 100644
--- a/Code/Framework/AzCore/Tests/Memory/AllocatorBenchmarks.cpp
+++ b/Code/Framework/AzCore/Tests/Memory/AllocatorBenchmarks.cpp
@@ -20,6 +20,7 @@
 #include <AzCore/Memory/SystemAllocator.h>
 #include <AzCore/std/containers/array.h>
 #include <AzCore/std/containers/vector.h>
+#include <AzCore/std/containers/unordered_map.h>
 #include <AzCore/Utils/Utils.h>
 
 #include <benchmark/benchmark.h>