diff --git a/configure.ac b/configure.ac
index 5facc75..6bc23a7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -637,6 +645,7 @@ AC_ARG_ENABLE(load-extension, AC_HELP_STRING([--enable-load-extension],
       [use_loadextension=$enableval],[use_loadextension=no])
 if test "${use_loadextension}" = "yes" ; then
   OPT_FEATURE_FLAGS=""
+  AC_SEARCH_LIBS(dlopen, dl)
 else
   OPT_FEATURE_FLAGS="-DSQLITE_OMIT_LOAD_EXTENSION=1"
 fi