diff --git a/sms/freesms b/sms/freesms
index a4e7589..fe511f6 100755
--- a/sms/freesms
+++ b/sms/freesms
@@ -71,7 +71,21 @@ if [ -z "${MESSAGE}" ] ; then
 	exit 1
 fi
 
-envoi=$(curl -i --insecure "https://smsapi.free-mobile.fr/sendmsg?user=${NOM}&pass=${PASS}&msg=${MESSAGE}" 2>&1)
+if ! which which > /dev/null 2>&1 ; then
+	echo "which is not installed"
+	exit 1
+elif which curl > /dev/null 2>&1 ; then
+	echo using curl
+	BIN="curl -i --insecure"
+elif which wget > /dev/null 2<&1 ; then
+	echo using wget
+	BIN="wget --save-headers -qO -"
+elif true ; then
+	echo "None of curl or wget installed" >&2
+	exit 1
+fi
+
+envoi=$(${BIN} "https://smsapi.free-mobile.fr/sendmsg?user=${NOM}&pass=${PASS}&msg=${MESSAGE}" 2>&1)
 retour_HTTP=$(echo "${envoi}" | awk '/HTTP/ {print $2}')
 case $retour_HTTP  in
 	200)