diff --git a/src/configure.in b/src/configure.in
index e247b65..e49bf03 100644
--- a/src/configure.in
+++ b/src/configure.in
@@ -659,7 +659,7 @@ if test "$enable_pythoninterp" = "yes"; then
       [
 	vi_cv_path_python_conf=
 	for path in "${vi_cv_path_python_pfx}" "${vi_cv_path_python_epfx}"; do
-	  for subdir in lib share; do
+	  for subdir in lib share lib64; do
 	    d="${path}/${subdir}/python${vi_cv_var_python_version}/config"
 	    if test -d "$d" && test -f "$d/config.c"; then
 	      vi_cv_path_python_conf="$d"