diff --git a/src/common/utils/string.hpp b/src/common/utils/string.hpp
index 783c5c5..e4bdf2e 100644
--- a/src/common/utils/string.hpp
+++ b/src/common/utils/string.hpp
@@ -32,7 +32,7 @@ public:
       entry->double_size();
     }
 
-    return entry->buffer;
+    return entry->buffer_;
   }
 
 private: