diff --git a/lark1fq/src/adc.c b/lark1fq/src/adc.c
index 73e844e..ba6f479 100755
--- a/lark1fq/src/adc.c
+++ b/lark1fq/src/adc.c
@@ -184,7 +184,6 @@ void adc_loop(void)
 #else
         value = adc_rtot(val);
 #endif
-        value = adc_rtot(val);
         debug_write_data(24 + ch, (float)value);
         device_data.detector_temperature = value;
         ch = 1;