diff --git a/pkgs/tools/misc/system-config-printer/default.nix b/pkgs/tools/misc/system-config-printer/default.nix
index a828a5fc43c..f1a9c4b4640 100644
--- a/pkgs/tools/misc/system-config-printer/default.nix
+++ b/pkgs/tools/misc/system-config-printer/default.nix
@@ -16,8 +16,6 @@ in stdenv.mkDerivation rec {
     sha256 = "1vxczk22f58nbikvj47s2x1gzh6q4mbgwnf091p00h3b6nxppdgn";
   };
 
-  propagatedBuildInputs = [ pythonPackages.pycurl ];
-
   patches = [ ./detect_serverbindir.patch ];
 
   buildInputs =
@@ -27,7 +25,7 @@ in stdenv.mkDerivation rec {
     ];
 
   pythonPath = with pythonPackages;
-    [ pycups pycurl dbus-python pygobject3 requests2 pycairo ];
+    [ pycups pycurl dbus-python pygobject3 requests2 pycairo pythonPackages.pycurl ];
 
   configureFlags =
     [ "--with-udev-rules"
@@ -46,6 +44,7 @@ in stdenv.mkDerivation rec {
           --set GI_TYPELIB_PATH ${giTypelibPath} \
           --set CUPS_DATADIR ${cups-filters}/share/cups"
       wrapPythonPrograms
+
       # The program imports itself, so we need to move shell wrappers to a proper place.
       fixupWrapper() {
         mv "$out/share/system-config-printer/$2.py" \
diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index cf06f64421e..5923b06960a 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -20080,7 +20080,7 @@ in {
       sha256 = "0v5w66ir3siimfzg3kc8hfrrilwwnbxq5bvipmrpyxar0kw715vf";
     };
 
-    propagatedBuildInputs = with self; [ pkgs.curl pkgs.openssl.out ];
+    buildInputs = with self; [ pkgs.curl pkgs.openssl.out ];
 
     # error: invalid command 'test'
     doCheck = false;