diff --git a/src/configure.in b/src/configure.in
index 4358524..6501360 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -1110,10 +1110,7 @@
       AC_CACHE_CHECK(Python's configuration directory,vi_cv_path_python3_conf,
       [
        vi_cv_path_python3_conf=
-       config_dir="config"
-       if test "${vi_cv_var_python3_abiflags}" != ""; then
-         config_dir="${config_dir}-${vi_cv_var_python3_version}${vi_cv_var_python3_abiflags}"
-       fi
+       config_dir="config-${vi_cv_var_python3_version}${vi_cv_var_python3_abiflags}"
        d=`${vi_cv_path_python3} -c "import distutils.sysconfig; print(distutils.sysconfig.get_config_var('LIBPL'))"`
        if test -d "$d" && test -f "$d/config.c"; then
          vi_cv_path_python3_conf="$d"