diff --git a/bytebeat_compiler.py b/bytebeat_compiler.py
index f72bb92..0f03fca 100644
--- a/bytebeat_compiler.py
+++ b/bytebeat_compiler.py
@@ -34,7 +34,7 @@ PATHS["fwrite_le"] = path_join(".", PATHS["fwrite_le"])
 # Default parameters
 DEFAULT_PARAMETERS = {
 	"CC": "gcc",
-	"CFLAGS": "-Ofast -Wall -Wextra -Wpedantic -Wno-unused-variable -Wno-unused-but-set-variable -Wno-dangling-else -Wno-parentheses -std=c99",
+	"CFLAGS": "-Ofast -march=native -mtune=native -Wall -Wextra -Wpedantic -pedantic -Wno-unused-variable -Wno-unused-but-set-variable -Wno-dangling-else -Wno-parentheses -std=c99",
 	"INPUT_FILE": PATHS["substitute"],
 	"OUTPUT_FILE": PATHS["output"]
 }