diff --git a/symbols/pdb/Mono.Cecil.Pdb/ModuleMetadata.cs b/symbols/pdb/Mono.Cecil.Pdb/ModuleMetadata.cs
index 0bc32dca5..5c8f30dbf 100644
--- a/symbols/pdb/Mono.Cecil.Pdb/ModuleMetadata.cs
+++ b/symbols/pdb/Mono.Cecil.Pdb/ModuleMetadata.cs
@@ -619,7 +619,7 @@ static void WriteNameBuffer(string name, char* buffer, uint bufferLength, uint*
 			if (buffer != null && bufferLength > 0) {
 				for (int i = 0; i < length; i++)
 					buffer [i] = name [i];
-				buffer [length + 1] = '\0';
+				buffer [length] = '\0';
 			}
 		}