diff --git a/build.sh b/build.sh
index 10f3720f92849..fcf0402038890 100755
--- a/build.sh
+++ b/build.sh
@@ -6,10 +6,21 @@
 
 set -ex
 
-if [ "$1" == "--help" ] || [ "$1" == "-h" ]; then
-    echo "--llvm to rebuild llvm";
-    exit;
-fi
+WITH_NIX=
+REBUILD_LLVM=
+case "$1" in
+    --nix)
+        WITH_NIX=1
+        shift
+        ;;
+    --llvm)
+        REBUILD_LLVM=1
+        shift
+        ;;
+    --help)
+        echo "--llvm to rebuild llvm, --nix to use nix";
+        exit;
+esac
 
 unameOut="$(uname -s)-$(uname -m)"
 case "${unameOut}" in
@@ -21,7 +32,12 @@ case "${unameOut}" in
     *)              HOST_TRIPLE=x86_64-unknown-linux-gnu
 esac
 
-if [ "$1" == "--llvm" ]; then
+if [ -n "${REBUILD_LLVM}" ]; then
     rm -f build/${HOST_TRIPLE}/llvm/llvm-finished-building;
 fi
-./x.py build --stage 1 --target ${HOST_TRIPLE},sbf-solana-solana,sbpf-solana-solana,sbpfv1-solana-solana,sbpfv2-solana-solana,sbpfv3-solana-solana,sbpfv4-solana-solana
+
+if [ -n "${WITH_NIX}" ]; then
+    nix-shell src/tools/nix-dev-shell/shell.nix --pure --run "x build --stage 1 --target sbf-solana-solana,sbpf-solana-solana,sbpfv1-solana-solana,sbpfv2-solana-solana,sbpfv3-solana-solana,sbpfv4-solana-solana"
+else
+    ./x.py build --stage 1 --target sbf-solana-solana,sbpf-solana-solana,sbpfv1-solana-solana,sbpfv2-solana-solana,sbpfv3-solana-solana,sbpfv4-solana-solana
+fi