diff --git a/configure.ac b/configure.ac
index 644a0bd..6aab8d7 100644
--- a/configure.ac
+++ b/configure.ac
@@ -38,6 +38,9 @@
 AC_SEARCH_LIBS([dlopen], [dl dld], [LIBRARY_DL="$LIBS";LIBS=""])
 AC_SUBST(LIBRARY_DL)
 
+AC_SEARCH_LIBS([dlsym], [dl dld], [LIBRARY_DLSYM="$LIBS";LIBS=""])
+AC_SUBST(LIBRARY_DLSYM)
+
 
 PKG_CHECK_MODULES(LIBOSMOCORE, libosmocore >= 1.2.0)
 PKG_CHECK_MODULES(LIBOSMOVTY, libosmovty >= 1.2.0)