diff --git a/src/shared/sensors/ADS131M04/ADS131M04Defs.h b/src/shared/sensors/ADS131M04/ADS131M04Defs.h
index c90555df41eacec8f8ff6a32a75fb391a89dfbfb..5727dfbacccbf2e98c657bd5b4a9d284d7548ce5 100644
--- a/src/shared/sensors/ADS131M04/ADS131M04Defs.h
+++ b/src/shared/sensors/ADS131M04/ADS131M04Defs.h
@@ -43,7 +43,7 @@ constexpr float PGA_LSB_SIZE[8] = {143.0511e-9, 71.5256e-9, 35.7628e-9,
                                    2.2352e-9,   1.1176e-9};
 
 static constexpr float V_REF              = 1.2;
-static constexpr float TEST_SIGNAL_FACTOR = 2 / 15;
+static constexpr float TEST_SIGNAL_FACTOR = 2.0 / 15.0;
 static constexpr float TEST_SIGNAL_SLACK  = 0.1;  // Not defined in DS
 
 /**
diff --git a/src/shared/sensors/ADS131M08/ADS131M08Defs.h b/src/shared/sensors/ADS131M08/ADS131M08Defs.h
index 8600aaedab7ed1068621da5ebf3aca24419d9084..4d9f5045713dfdd8e54e01a758cf31e745a35427 100644
--- a/src/shared/sensors/ADS131M08/ADS131M08Defs.h
+++ b/src/shared/sensors/ADS131M08/ADS131M08Defs.h
@@ -43,7 +43,7 @@ constexpr float PGA_LSB_SIZE[8] = {143.0511e-9, 71.5256e-9, 35.7628e-9,
                                    2.2352e-9,   1.1176e-9};
 
 static constexpr float V_REF              = 1.2;
-static constexpr float TEST_SIGNAL_FACTOR = 2 / 15;
+static constexpr float TEST_SIGNAL_FACTOR = 2.0 / 15.0;
 static constexpr float TEST_SIGNAL_SLACK  = 0.1;  // Not defined in DS
 
 /**