diff --git a/configure b/configure
index eb391fb..5142c35 100755
--- a/configure
+++ b/configure
@@ -1464,7 +1464,7 @@ Optional Features:
   --enable-dynamic-module enable dynamic module capability(default. yes)
   --enable-static-module  build modules statically into the main
                           library(default. no)
-  --enable-libltdl        use libltdl(default. yes)
+  --enable-libltdl        use libltdl(default. no)
 
 Optional Packages:
   --with-PACKAGE[=ARG]    use PACKAGE [ARG=yes]
@@ -19618,7 +19618,7 @@ fi
 if test "${enable_libltdl+set}" = set; then :
   enableval=$enable_libltdl; enable_libltdl_is=$enableval
 else
-  enable_libltdl_is=yes
+  enable_libltdl_is=no
 
 fi
 
diff --git a/configure.ac b/configure.ac
index e56cf83..a7624e6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -492,9 +492,9 @@ AM_CONDITIONAL(ENABLE_STATIC_MODULE, test "${enable_static_module_is}" = "yes")
 
 dnl ===== enable-libltdl =====
 AC_ARG_ENABLE([libltdl],
-	[AS_HELP_STRING([--enable-libltdl],[use libltdl(default. yes)])],
+	[AS_HELP_STRING([--enable-libltdl],[use libltdl(default. no)])],
 	enable_libltdl_is=$enableval,
-	enable_libltdl_is=yes
+	enable_libltdl_is=no
 )
 if test "${enable_libltdl_is}" = "yes"
 then