diff --git a/tasmota/xsns_05_ds18x20.ino b/tasmota/xsns_05_ds18x20.ino
index 6b46700c3..8fbc1cf46 100644
--- a/tasmota/xsns_05_ds18x20.ino
+++ b/tasmota/xsns_05_ds18x20.ino
@@ -38,7 +38,9 @@
 #define W1_WRITE_SCRATCHPAD  0x4E
 #define W1_READ_SCRATCHPAD   0xBE
 
+#ifndef DS18X20_MAX_SENSORS // DS18X20_MAX_SENSORS fallback to 8 if not defined in user_config_override.h
 #define DS18X20_MAX_SENSORS  8
+#endif
 
 const char kDs18x20Types[] PROGMEM = "DS18x20|DS18S20|DS1822|DS18B20|MAX31850";