--- a/configure.ac
+++ b/configure.ac
@@ -572,7 +572,7 @@ if test "${USE_GSM}" != "no"; then
    fi
 fi
 
-AST_EXT_LIB_CHECK([IKSEMEL], [iksemel], [iks_start_sasl], [iksemel.h])
+AST_EXT_LIB_CHECK([IKSEMEL], [iksemel], [iks_start_sasl], [iksemel.h], [-lgnutls -lgcrypt -lgpg-error])
 
 if test "${PBX_IKSEMEL}" = 1; then
    AST_EXT_LIB_CHECK([GNUTLS], [gnutls], [gnutls_bye], [gnutls/gnutls.h], [-lz -lgcrypt -lgpg-error])