diff --git a/src/modules/commander/HealthAndArmingChecks/checks/magnetometerCheck.cpp b/src/modules/commander/HealthAndArmingChecks/checks/magnetometerCheck.cpp
index 6716a8e06a..ac35a61803 100644
--- a/src/modules/commander/HealthAndArmingChecks/checks/magnetometerCheck.cpp
+++ b/src/modules/commander/HealthAndArmingChecks/checks/magnetometerCheck.cpp
@@ -47,9 +47,6 @@ void MagnetometerChecks::checkAndReport(const Context &context, Report &reporter
 	int num_enabled_and_valid_calibration = 0;
 
 	for (int instance = 0; instance < _sensor_mag_sub.size(); instance++) {
-		bool is_mag_fault = false;
-		const bool is_required = instance == 0 || isMagRequired(instance, is_mag_fault);
-
 		const bool exists = _sensor_mag_sub[instance].advertised();
 		bool is_valid = false;
 		bool is_calibration_valid = false;
@@ -80,7 +77,9 @@ void MagnetometerChecks::checkAndReport(const Context &context, Report &reporter
 		}
 
 		// Do not raise errors if a mag is not required
-		if (!is_required) {
+		bool is_mag_fault = false;
+
+		if (!isMagRequired(instance, is_mag_fault)) {
 			continue;
 		}