diff --git a/flake.nix b/flake.nix
index 1910d56..b4bd845 100644
--- a/flake.nix
+++ b/flake.nix
@@ -11,12 +11,32 @@
   outputs = { self, nixpkgs, flake-utils, poetry2nix }:
     flake-utils.lib.eachDefaultSystem (system:
       let
-        inherit (poetry2nix.legacyPackages.${system}) mkPoetryApplication;
+        inherit (poetry2nix.legacyPackages.${system}) mkPoetryApplication overrides;
         pkgs = nixpkgs.legacyPackages.${system};
       in
       {
         packages = {
-          test_flake_poetry2nix = mkPoetryApplication { projectDir = self; };
+          test_flake_poetry2nix = mkPoetryApplication { 
+            projectDir = self;
+            overrides = overrides.withDefaults (self: super: {
+              pillow = super.pillow.overridePythonAttrs(old: {
+                # Use preConfigure from nixpkgs to fix library detection issues and
+                # impurities which can break the build process; this also requires
+                # adding propagatedBuildInputs and buildInputs from the same source.
+#                propagatedBuildInputs = (old.buildInputs or []) ++ pkgs.python3.pkgs.pillow.propagatedBuildInputs;
+#                buildInputs = (old.buildInputs or []) ++ pkgs.python3.pkgs.pillow.buildInputs;
+#                preConfigure = (old.preConfigure or "") + pkgs.python3.pkgs.pillow.preConfigure;
+        
+                # https://github.com/nix-community/poetry2nix/issues/1139
+                patches = (old.patches or []) ++ nixpkgs.lib.optionals (old.version == "9.5.0") [
+                  (pkgs.fetchpatch  {
+                    url = "https://github.com/python-pillow/Pillow/commit/0ec0a89ead648793812e11739e2a5d70738c6be5.diff";
+                    sha256 = "sha256-rZfk+OXZU6xBpoumIW30E80gRsox/Goa3hMDxBUkTY0=";
+                  })
+                ];
+              });
+            });
+          };
           docker = pkgs.dockerTools.buildImage {
             name = "test_flake_poetry2nix";
             copyToRoot = pkgs.buildEnv {
diff --git a/pyproject.toml b/pyproject.toml
index 1481e89..5e933a3 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -17,7 +17,7 @@ numpy = "^1.24.3"
 matplotlib = "^3.7.1"
 
 [tool.poetry.scripts]
-test = "test_flake_poetry2nix.cli:main"
+test_p2n = "test_flake_poetry2nix.cli:main"
 
 [tool.poetry.group.dev.dependencies]
 pytest = "*"
diff --git a/test_flake_poetry2nix/cli.py b/test_flake_poetry2nix/cli.py
index 6668b75..8f1d3ae 100644
--- a/test_flake_poetry2nix/cli.py
+++ b/test_flake_poetry2nix/cli.py
@@ -3,6 +3,7 @@ import matplotlib.pyplot as plt
 
 
 def main():
+    print("plop")
     fig, (ax1, ax2) = plt.subplots(2, 1)
     # make a little extra space between the subplots
     fig.subplots_adjust(hspace=0.5)