diff --git a/pkgs/pass2bw/default.nix b/pkgs/pass2bw/default.nix
index 349d8d1..ce42f1f 100644
--- a/pkgs/pass2bw/default.nix
+++ b/pkgs/pass2bw/default.nix
@@ -2,6 +2,8 @@
   stdenv,
   lib,
   makeWrapper,
+  pass,
+  pass2csv,
   python3,
   ...
 }:
@@ -20,13 +22,18 @@ stdenv.mkDerivation rec {
   installPhase = ''
     mkdir -p $out/bin
 
-    sed -e "s|python ./convert_csvs.py|python $out/bin/convert_csvs.py|" \
-      ${src}/${pname}.sh > $out/bin/${pname}
+    cp ${src}/pass2bw.sh $out/bin/${pname}
     chmod +x $out/bin/${pname}
 
     cp ${src}/convert_csvs.py $out/bin/
 
     wrapProgram $out/bin/${pname} \
-      --prefix PATH : ${lib.makeBinPath [ python3 ]}
+      --prefix PATH : ${
+        lib.makeBinPath [
+          pass
+          pass2csv
+          python3
+        ]
+      }
   '';
 }
diff --git a/pkgs/pass2bw/pass2bw.sh b/pkgs/pass2bw/pass2bw.sh
index 95cb544..887a881 100644
--- a/pkgs/pass2bw/pass2bw.sh
+++ b/pkgs/pass2bw/pass2bw.sh
@@ -4,5 +4,5 @@ if [ "$#" -ne 2 ]; then
 fi
 
 pass2csv "$1" /tmp/pass.csv
-python ./convert_csvs.py /tmp/pass.csv "$2"
+python3 "$(dirname "$0")/convert_csvs.py" /tmp/pass.csv "$2"
 rm /tmp/pass.csv