diff --git a/Makefile b/Makefile
index 52dfca242..2557f92a4 100644
--- a/Makefile
+++ b/Makefile
@@ -6,7 +6,7 @@ init:
 # Slightly cursed way that we setup a dev version of this locally on NixOS.
 dev/install:
 	zig build -Dcpu=baseline
-	patchelf --set-rpath "${LD_LIBRARY_PATH}" zig-out/bin/ghostty
+	if [ -f "/etc/NIXOS" ]; then patchelf --set-rpath "${LD_LIBRARY_PATH}" zig-out/bin/ghostty; fi
 	mkdir -p ${HOME}/bin
 	cp zig-out/bin/ghostty ${HOME}/bin/devtty
 .PHONY: dev/install