diff --git a/afsk/main.c b/afsk/main.c
index f290745d..459f89d0 100644
--- a/afsk/main.c
+++ b/afsk/main.c
@@ -152,7 +152,7 @@ int main(int argc, char *argv[]) {
     x_powerMultiplier = 2;
     x_currentDivider = 10;
     x_config = INA219_CONFIG_BVOLTAGERANGE_32V |
-                 INA219_CONFIG_GAIN_320MV | // 40MV |
+                 INA219_CONFIG_GAIN_8_320MV | // 40MV |
                  INA219_CONFIG_BADCRES_12BIT |
                //  INA219_CONFIG_SADCRES_12BIT_4S_2130US |
                INA219_CONFIG_SADCRES_12BIT_1S_532US |