diff --git a/package/darwin/dfhack b/package/darwin/dfhack
index 9ededf5d5..1c2c7a175 100755
--- a/package/darwin/dfhack
+++ b/package/darwin/dfhack
@@ -17,6 +17,12 @@ if ! test -f hack/quarantine-removed; then
     echo "quarantine flag removed on $(date); remove this file to re-run" > hack/quarantine-removed
 fi
 
+if [ ! -t 0 ]; then
+    stty() {
+        return
+    }
+fi
+
 old_tty_settings=$(stty -g)
 DYLD_INSERT_LIBRARIES=./hack/libdfhack.dylib ./dwarfort.exe "$@"
 stty "$old_tty_settings"
diff --git a/package/linux/dfhack b/package/linux/dfhack
index 18ec69cb8..b63c3a253 100755
--- a/package/linux/dfhack
+++ b/package/linux/dfhack
@@ -48,6 +48,12 @@ $HOME/$RC to affect future DFHack installations:
 EOF
 fi
 
+if [ ! -t 0 ]; then
+    stty() {
+        return
+    }
+fi
+
 # Save current terminal settings
 old_tty_settings=$(stty -g)