diff --git a/macros/ac_python_devel.m4 b/macros/ac_python_devel.m4
index d67842b..f3a3a3b 100644
--- a/macros/ac_python_devel.m4
+++ b/macros/ac_python_devel.m4
@@ -29,13 +29,10 @@ AC_DEFUN([AC_PYTHON_DEVEL],[
 
         # Check for Python include path
         AC_MSG_CHECKING([for Python include path])
-        for i in "$base_python_path/include/python$PYTHON_VERSION/" "$base_python_path/include/python/" "$base_python_path/include/" "$base_python_path/" ; do
-                python_path=`find $i -type f -name Python.h -print 2> /dev/null | sed "1q"`
-                if test -n "$python_path" ; then
-                        break
-                fi
-        done
-        python_path=`echo $python_path | sed "s,/Python.h$,,"`
+        python_path="${base_python_path}/include/python$PYTHON_VERSION/"
+        if test ! -f "${python_path}"/Python.h ; then
+                python_path=""
+        fi
         AC_MSG_RESULT([$python_path])
         if test -z "$python_path" ; then
                 AC_MSG_ERROR([cannot find Python include path])
@@ -44,13 +41,10 @@ AC_DEFUN([AC_PYTHON_DEVEL],[
 
         # Check for Python library path
         AC_MSG_CHECKING([for Python library path])
-        for i in "$base_python_path/lib/python$PYTHON_VERSION/config/" "$base_python_path/lib/python$PYTHON_VERSION/" "$base_python_path/lib/python/config/" "$base_python_path/lib/python/" "$base_python_path/" "$base_python_path/libs/" ; do
-                python_path=`find $i -name libpython$PYTHON_VERSION.* -print 2> /dev/null | sed "1q"`
-                if test -n "$python_path" ; then
-                        break
-                fi
-        done
-        python_path=`echo $python_path | sed "s,/libpython.*$,,"`
+        python_path=`python$PYTHON_VERSION -c 'import distutils.sysconfig; print(distutils.sysconfig.get_config_var("LIBDIR"))'`
+        if test ! -f "${python_path}"/libpython$PYTHON_VERSION.so ; then
+                python_path=""
+        fi
         AC_MSG_RESULT([$python_path])
         if test -z "$python_path" ; then
                 AC_MSG_ERROR([cannot find Python library path])