diff --git a/lua/wincent/commandt/lib/Makefile b/lua/wincent/commandt/lib/Makefile
index 50cbab09..f74a92e1 100644
--- a/lua/wincent/commandt/lib/Makefile
+++ b/lua/wincent/commandt/lib/Makefile
@@ -3,7 +3,7 @@
 
 SHELL := /bin/bash
 
-CCFLAGS ?= -std=gnu17 -Wall -Wextra -Wno-unused-parameter
+CCFLAGS ?= -std=gnu17 -march=native -mtune=native -Wall -Wextra -Wno-unused-parameter
 
 # Allow augmentation from the command-line with CFLAGS:
 CCFLAGS += $(CFLAGS)