diff --git a/Developer-guides.md b/Developer-guides.md
index 13ee9eb..5762ebd 100644
--- a/Developer-guides.md
+++ b/Developer-guides.md
@@ -214,7 +214,7 @@ Discussion [thread](https://github.com/sabotage-linux/netbsd-curses/issues/46).
     musl-gcc -O3 -DNORL -DNOMOUSE -std=c11 -Wall -Wextra -Wshadow -I/path_to/netbsd-curses/libcurses -I/path_to/musl-fts -o nnn src/nnn.c -Wl,-Bsymbolic-functions -lpthread -L/opt/nnn-libs -lcurses -lterminfo -lfts
 
     # shared custom
-    musl-gcc -O3 -DNORL -DNOLC -DNOMOUSE -DNOBATCH -DNOFIFO -DTOURBIN_QSORT -DNOSSN -DNOUG -DNOX11 -std=c11 -Wall -Wextra -Wshadow  -march=corei7 -I/path_to/netbsd-curses/libcurses -I/path_to/musl-fts -o nnn src/nnn.c -Wl,-Bsymbolic-functions -lpthread -L/opt/nnn-libs -lcurses -lterminfo -lfts
+    musl-gcc -O3 -DNORL -DNOLC -DNOMOUSE -DNOBATCH -DNOFIFO -DTOURBIN_QSORT -DNOSSN -DNOUG -DNOX11 -std=c11 -Wall -Wextra -Wshadow -I/path_to/netbsd-curses/libcurses -I/path_to/musl-fts -o nnn src/nnn.c -Wl,-Bsymbolic-functions -lpthread -L/opt/nnn-libs -lcurses -lterminfo -lfts
 
     # Note: For static compilation append `-static` to the above commands