diff --git a/cr_generate_id.c b/cr_generate_id.c
index 2051b27..198d8e1 100644
--- a/cr_generate_id.c
+++ b/cr_generate_id.c
@@ -351,7 +351,9 @@ end:
 		cr_err_buf->errorCode = ret_code;
 		GetErrorInfo( cr_err_buf->callStack, &cr_err_buf->recordSize );
 		cr_err_buf->bondingOption = bondingOption;
-		printf( "%s\n", cr_err_buf->callStack );
+#ifdef DEBUG_PRINT
+		printf( "CALL_STACK : %s\n", cr_err_buf->callStack );
+#endif
 	}
 
 	// リソースの解放