diff --git a/.gitmodules b/.gitmodules
index 82b4940..9514a0d 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,6 +1,3 @@
 [submodule "libjade"]
 	path = libjade
 	url = https://github.com/Rixxc/libjade.git
-[submodule "jasmin"]
-	path = jasmin
-	url = https://github.com/Rixxc/jasmin.git
diff --git a/Makefile b/Makefile
index 0c3e93c..823a4cb 100644
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
-JC ?= jasmin/compiler/jasminc
+JC ?= jasminc
 CC ?= gcc
 MAKE ?= make
 
-.PHONY: clean run $(JC)
+.PHONY: clean run
 
 all: build
 	@true
@@ -16,10 +16,7 @@ build/%.o: build/%.S
 clean:
 	rm build/* 2> /dev/null || true
 
-$(JC):
-	nix-shell jasmin/default.nix --command 'make -C jasmin/compiler CIL -j$(nproc) && make -C jasmin/compiler'
-
-build/%.S: src/%.jazz $(JC)
+build/%.S: src/%.jazz
 	JASMINPATH="Jade=libjade/src/" $(JC) $< -o $@
 
 syscall/jasmin_syscall.o: syscall/jasmin_syscall.c syscall/jasmin_syscall.h
diff --git a/default.nix b/default.nix
index 8b6e489..f0547df 100644
--- a/default.nix
+++ b/default.nix
@@ -1,15 +1,22 @@
 { pkgs ? import <nixpkgs> { } }:
 with pkgs;
-# let
-#   jasmin-src = fetchFromGitHub {
-#     owner = "jasmin-lang";
-#     repo = "jasmin";
-#     rev = "9bb6340fe0e3c5d78ea3957f6c5c3564c3424770";
-#     hash = "sha256-EVwnD6dZLTy9MgR6gdymhg3Ipudpj1mchDlMpCAdITE=";
-#   };
-#
-#   jasmin = callPackage "${jasmin-src}/default.nix" { inherit pkgs; };
-# in
+let
+  jasmin-src = fetchFromGitHub {
+    owner = "Rixxc";
+    repo = "jasmin";
+    rev = "244d42d2a8c37d7607abf7dd5e92eddd2c339340";
+    hash = "sha256-EDLsFsRZmSzei2LvgJfI6W+DiErnfrwO7ciom/1+6BQ=";
+  };
+
+  jasmin-drv = callPackage "${jasmin-src}/default.nix" { inherit pkgs; };
+  jasmin = jasmin-drv.overrideAttrs {
+    name = "jasmin with syscalls";
+    buildPhase = ''
+      make -C compiler/ CIL
+      make -C compiler/
+    '';
+  };
+in
 stdenv.mkDerivation {
   name = "x25519-agent";
   src = nix-gitignore.gitignoreSource [ ] ./.;
@@ -17,15 +24,15 @@ stdenv.mkDerivation {
   nativeBuildInputs = [
     gnumake
     gcc
-    # jasmin
+    jasmin
   ];
 
-  # configurePhase = ''
-  #   mkdir build
-  # '';
-  #
-  # installPhase = ''
-  #   mkdir -p $out/lib
-  #   cp build/libagent.a $out/lib
-  # '';
+  configurePhase = ''
+    mkdir build
+  '';
+
+  installPhase = ''
+    mkdir -p $out/lib
+    cp build/libagent.a $out/lib
+  '';
 }
diff --git a/jasmin b/jasmin
deleted file mode 160000
index 244d42d..0000000
--- a/jasmin
+++ /dev/null
@@ -1 +0,0 @@
-Subproject commit 244d42d2a8c37d7607abf7dd5e92eddd2c339340