diff --git a/make_debian.sh b/make_debian.sh
index 77b4d8ce..ba3ee8d7 100755
--- a/make_debian.sh
+++ b/make_debian.sh
@@ -92,7 +92,7 @@ if [ -n "$RUNTEST" ]; then
     exit 1
   }
   ($RELEASE/usr/bin/ebusd -f -c src/lib/ebus/test -d /dev/null --checkconfig -i 10fe0900040000803e/ | egrep "received update-read broadcast test QQ=10: 0\.25$") || testdie
-  if [ "$RUNTEST" == "full" ]; then
+  if [ "$RUNTEST" = "full" ]; then
     (cd src/lib/ebus/test && make >/dev/null && ./test_filereader && ./test_data && ./test_message && ./test_symbol) || testdie
   fi
 fi