diff --git a/src/framework/Utilities/UnorderedMap.h b/src/framework/Utilities/UnorderedMap.h
index 7155d37bf..4fb2f788c 100644
--- a/src/framework/Utilities/UnorderedMap.h
+++ b/src/framework/Utilities/UnorderedMap.h
@@ -64,6 +64,13 @@ namespace __gnu_cxx
         size_t operator()(T * const &__x) const { return (size_t)__x; }
     };
 
+    template<> struct hash<std::string>
+    {
+        size_t operator()(const std::string &__x) const
+        {
+            return hash<const char *>()(__x.c_str());
+        }
+    };
 };
 
 #else
diff --git a/src/shared/revision_nr.h b/src/shared/revision_nr.h
index a6337c174..b42ded2e2 100644
--- a/src/shared/revision_nr.h
+++ b/src/shared/revision_nr.h
@@ -1,4 +1,4 @@
 #ifndef __REVISION_NR_H__
 #define __REVISION_NR_H__
- #define REVISION_NR "9777"
+ #define REVISION_NR "9778"
 #endif // __REVISION_NR_H__