diff --git a/cipherscan b/cipherscan
index 46bb981..7da1be5 100755
--- a/cipherscan
+++ b/cipherscan
@@ -27,6 +27,7 @@ fi
 
 # test that timeout or gtimeout (darwin) are present
 TIMEOUTBIN="$(which timeout)"
+
 if [ "$TIMEOUTBIN" == "" ]; then
     TIMEOUTBIN="$(which gtimeout)"
     if [ "$TIMEOUTBIN" == "" ]; then
@@ -35,6 +36,12 @@ if [ "$TIMEOUTBIN" == "" ]; then
     fi
 fi
 
+# Check for busybox, which has different arguments
+TIMEOUTOUTPUT=$(($TIMEOUTBIN --help) 2>&1)
+if [[ "$TIMEOUTOUTPUT" =~ BusyBox ]]; then
+    TIMEOUTBIN="$TIMEOUTBIN -t"
+fi
+
 # find a list of trusted CAs on the local system, or use the provided list
 if [ -z "$CACERTS" ]; then
     for f in /etc/pki/tls/certs/ca-bundle.crt /etc/ssl/certs/ca-certificates.crt; do