diff --git a/Gems/Atom/RPI/Code/Include/Atom/RPI.Edit/Material/MaterialPropertyId.h b/Gems/Atom/RPI/Code/Include/Atom/RPI.Edit/Material/MaterialPropertyId.h
index 4b6d78c092..5b3c0488cb 100644
--- a/Gems/Atom/RPI/Code/Include/Atom/RPI.Edit/Material/MaterialPropertyId.h
+++ b/Gems/Atom/RPI/Code/Include/Atom/RPI.Edit/Material/MaterialPropertyId.h
@@ -34,7 +34,7 @@ namespace AZ
             explicit MaterialPropertyId(AZStd::string_view propertyName);
             MaterialPropertyId(AZStd::string_view groupName, AZStd::string_view propertyName);
             MaterialPropertyId(const Name& groupName, const Name& propertyName);
-            MaterialPropertyId(const AZStd::array_view<AZStd::string> names);
+            explicit MaterialPropertyId(const AZStd::array_view<AZStd::string> names);
 
             AZ_DEFAULT_COPY_MOVE(MaterialPropertyId);
 
diff --git a/Gems/Atom/RPI/Code/Source/RPI.Edit/Material/MaterialPropertyId.cpp b/Gems/Atom/RPI/Code/Source/RPI.Edit/Material/MaterialPropertyId.cpp
index 1be5c4485c..a1fee51d0a 100644
--- a/Gems/Atom/RPI/Code/Source/RPI.Edit/Material/MaterialPropertyId.cpp
+++ b/Gems/Atom/RPI/Code/Source/RPI.Edit/Material/MaterialPropertyId.cpp
@@ -99,9 +99,7 @@ namespace AZ
                 }
             }
 
-            AZStd::string fullName;
-            AzFramework::StringFunc::Join(fullName, names.begin(), names.end(), ".");
-            m_fullName = fullName;
+            AzFramework::StringFunc::Join(m_fullName, names.begin(), names.end(), ".");
         }
 
         MaterialPropertyId::operator const Name&() const