diff --git a/src/chainbase.cpp b/src/chainbase.cpp
index ff19c878a8a..93306f0ccdf 100644
--- a/src/chainbase.cpp
+++ b/src/chainbase.cpp
@@ -85,8 +85,8 @@ namespace chainbase {
             //also it doesn't looks as nice as warnings generated by fc
             //this message is for 1.0.2 because failing here would be incompatibel with 1.0
             //for 1.1 it probably will be changed to throw an exception
-            std::cerr << "CHAINBASE:   Failed to lock chainbase in RAM: " << std::strerror(errno) << std::endl
-                      << "CHAINBASE:   Performance degradation is possible" << std::endl;
+            std::cerr << "CHAINBASE:   Failed to pin chainbase shared memory (of size " << (_segment->get_size() / (1024.0*1024.0))
+                      << " MB) in RAM. Performance degradation is possible." << std::endl;
          }
 #endif
       }