diff --git a/tasmota/tasmota_globals.h b/tasmota/tasmota_globals.h
index 14cc1532d..8dbdb2073 100644
--- a/tasmota/tasmota_globals.h
+++ b/tasmota/tasmota_globals.h
@@ -157,6 +157,13 @@ String EthernetMacAddress(void);
 #endif
 #ifdef USE_TASMOTA_SLAVE_SERIAL_SPEED
 #define USE_TASMOTA_CLIENT_SERIAL_SPEED USE_TASMOTA_SLAVE_SERIAL_SPEED
+#endif
+
+#ifdef USE_SCRIPT
+#define USE_UNISHOX_COMPRESSION                // Add support for string compression
+#endif
+#ifdef USE_ZIGBEE
+#define USE_UNISHOX_COMPRESSION                // Add support for string compression
 #endif
 
                                                // See https://github.com/esp8266/Arduino/pull/4889