diff --git a/pkgs/development/interpreters/python/pypy/default.nix b/pkgs/development/interpreters/python/pypy/default.nix
index 84af77bade9e7..5f8d80037c9d4 100644
--- a/pkgs/development/interpreters/python/pypy/default.nix
+++ b/pkgs/development/interpreters/python/pypy/default.nix
@@ -87,6 +87,9 @@ in with passthru; stdenv.mkDerivation rec {
       src = ./sqlite_paths.patch;
       inherit (sqlite) out dev;
     })
+  ] ++ lib.optionals isPy3k [
+    # add missing LDCXXSHARED to sysconfig.get_config_vars() to prevent type errors when compiling eg. Pillow
+    ./sysconfig-config-vars.patch
   ];
 
   postPatch = ''
diff --git a/pkgs/development/interpreters/python/pypy/sysconfig-config-vars.patch b/pkgs/development/interpreters/python/pypy/sysconfig-config-vars.patch
new file mode 100644
index 0000000000000..bd8ab1c25efe7
--- /dev/null
+++ b/pkgs/development/interpreters/python/pypy/sysconfig-config-vars.patch
@@ -0,0 +1,12 @@
+diff --git a/lib_pypy/_sysconfigdata.py b/lib_pypy/_sysconfigdata.py
+index d784211..5cc4d66 100644
+--- a/lib_pypy/_sysconfigdata.py
++++ b/lib_pypy/_sysconfigdata.py
+@@ -26,6 +26,7 @@
+     'CCSHARED': "-fPIC",
+     'LDFLAGS': "-Wl,-Bsymbolic-functions",
+     'LDSHARED': "cc -pthread -shared -Wl,-Bsymbolic-functions",
++    'LDCXXSHARED': "c++ -shared",
+     'EXT_SUFFIX': so_ext,
+     'SHLIB_SUFFIX': ".so",
+     'AR': "ar",