diff --git a/main.h b/main.h
index 439032fc..10c263d0 100644
--- a/main.h
+++ b/main.h
@@ -186,7 +186,7 @@ double eclipse_time;
 
 float voltage[9], current[9], sensor[SENSOR_FIELDS], other[3];
 char sensor_payload[500];
-char sensor_strings[SENSOR_FIELDS][32];
+char sensor_string[SENSOR_FIELDS][32];
 
 int test_i2c_bus(int bus);