diff --git a/flake.nix b/flake.nix
index 48b074838..7d21236bf 100644
--- a/flake.nix
+++ b/flake.nix
@@ -101,8 +101,13 @@
           rustc $src/artiq/test/libartiq_support/lib.rs -Cpanic=unwind -g
         '';
         installPhase = ''
-          mkdir $out
-          cp libartiq_support.so $out
+          mkdir -p $out/lib $out/bin
+          cp libartiq_support.so $out/lib
+          cat > $out/bin/libartiq-support << EOF
+          #!/bin/sh
+          echo $out/lib/libartiq_support.so
+          EOF
+          chmod 755 $out/bin/libartiq-support
         '';
       };
 
@@ -165,13 +170,13 @@
         ];
 
         # FIXME: automatically propagate lld_11 llvm_11 dependencies
-        checkInputs = [ pkgs.lld_11 pkgs.llvm_11 pkgs.lit outputcheck ];
+        checkInputs = [ pkgs.lld_11 pkgs.llvm_11 libartiq-support pkgs.lit outputcheck ];
         checkPhase = ''
           python -m unittest discover -v artiq.test
 
           TESTDIR=`mktemp -d`
           cp --no-preserve=mode,ownership -R $src/artiq/test/lit $TESTDIR
-          LIBARTIQ_SUPPORT=${libartiq-support}/libartiq_support.so lit -v $TESTDIR/lit
+          LIBARTIQ_SUPPORT=`libartiq-support` lit -v $TESTDIR/lit
           '';
       };