diff --git a/pkgs/top-level/python-packages.nix b/pkgs/top-level/python-packages.nix
index d106ed896e43..e8e4801e3126 100644
--- a/pkgs/top-level/python-packages.nix
+++ b/pkgs/top-level/python-packages.nix
@@ -20343,8 +20343,8 @@ in modules // {
 
     preConfigure = ''
       cd Source
-      python setup.py backport
-      python setup.py configure \
+      ${python.interpreter} setup.py backport
+      ${python.interpreter} setup.py configure \
         --apr-inc-dir=${pkgs.apr.dev}/include \
         --apu-inc-dir=${pkgs.aprutil.dev}/include \
         --apr-lib-dir=${pkgs.apr.out}/lib \
@@ -20357,6 +20357,8 @@ in modules // {
 
     checkPhase = "make -C ../Tests";
 
+    disabled = isPy3k;
+
     installPhase = ''
       dest=$(toPythonPath $out)/pysvn
       mkdir -p $dest