diff --git a/src/main.cpp b/src/main.cpp
index a479f53..015e474 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -19,6 +19,10 @@ CurrentTransformerCard ct6 = CurrentTransformerCard(&analogCard, 7, &voltage, &a
 float adc2current(uint16_t adc_val)
 {
   // float voltage = adc_val * 0.0007-0.1994;
+    if (adc_val > 64000) {
+    // ADC Value is too high, return 0
+    return 0;
+  }
   float adc_voltage = adc_val * 0.0007;
   // 0-10V Output with 30A Current Rating CT
   float ct_current = adc_voltage / 10.0 * 30.0;