diff --git a/IDEHelper/Compiler/BfCodeGen.cpp b/IDEHelper/Compiler/BfCodeGen.cpp
index 9b374f23..cd767442 100644
--- a/IDEHelper/Compiler/BfCodeGen.cpp
+++ b/IDEHelper/Compiler/BfCodeGen.cpp
@@ -439,7 +439,8 @@ void BfCodeGenThread::RunLoop()
 							errorMsg += "\n";
 						errorMsg += "Failed writing IR '" + fileName + "': " + ec.message();						
 					}
-					fs.WriteSNZ(str);
+					else
+						fs.WriteSNZ(str);
 				}
 
 				if (!hasCacheMatch)