diff --git a/Developer-guides.md b/Developer-guides.md
index c2fa346..0a59892 100644
--- a/Developer-guides.md
+++ b/Developer-guides.md
@@ -199,7 +199,7 @@ See this [patch](https://github.com/jarun/nnn/issues/1081#issuecomment-868181380
     git clone https://github.com/sabotage-linux/netbsd-curses
     cd netbsd-curses
     git checkout v0.3.2
-    make CC=musl-gcc CFLAGS="-O3 -Wall -fPIC" -j4 all
+    make CC=musl-gcc CFLAGS="-O3 -Wall -fPIC" -j$(($(nproc)+1)) all
     sudo mkdir /opt/nnn-libs
     sudo cp libcurses/libcurses.so libterminfo/libterminfo.so /opt/nnn-libs/
     make clean