diff --git a/packages/SystemUI/src/com/android/systemui/util/sensors/ProximitySensor.java b/packages/SystemUI/src/com/android/systemui/util/sensors/ProximitySensor.java
index 19ed2848ca6ff..b38fc77fd1318 100644
--- a/packages/SystemUI/src/com/android/systemui/util/sensors/ProximitySensor.java
+++ b/packages/SystemUI/src/com/android/systemui/util/sensors/ProximitySensor.java
@@ -281,18 +281,24 @@ public class ProximitySensor implements ThresholdSensor {
 
         mLastPrimaryEvent = event;
 
-        if (event.getBelow() && mSecondaryThresholdSensor.isLoaded()) {
-            logDebug("Primary sensor is near. Checking secondary.");
+        if (mSecondarySafe && mSecondaryThresholdSensor.isLoaded()) {
+            logDebug("Primary sensor reported " + (event.getBelow() ? "near" : "far")
+                    + ". Checking secondary.");
             if (mCancelSecondaryRunnable == null) {
                 mSecondaryThresholdSensor.resume();
             }
-        } else {
-            if (!mSecondaryThresholdSensor.isLoaded()) {
-                logDebug("Primary sensor event: " + event.getBelow() + ". No secondary.");
-            } else {
-                logDebug("Primary sensor event: " + event.getBelow() + ".");
-            }
+            return;
+        }
+
+        if (!mSecondaryThresholdSensor.isLoaded()) {
+            logDebug("Primary sensor event: " + event.getBelow() + ". No secondary.");
             onSensorEvent(event);
+        } else if (event.getBelow()) {
+            logDebug("Primary sensor event: " + event.getBelow() + ". Checking secondary.");
+            if (mCancelSecondaryRunnable != null) {
+                mCancelSecondaryRunnable.run();
+            }
+            mSecondaryThresholdSensor.resume();
         }
     }
 
diff --git a/packages/SystemUI/tests/src/com/android/systemui/util/sensors/ProximitySensorDualTest.java b/packages/SystemUI/tests/src/com/android/systemui/util/sensors/ProximitySensorDualTest.java
index 8f0754592b832..cc2afe2f7b8a5 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/util/sensors/ProximitySensorDualTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/util/sensors/ProximitySensorDualTest.java
@@ -59,6 +59,25 @@ public class ProximitySensorDualTest extends SysuiTestCase {
                 new FakeExecution());
     }
 
+    @Test
+    public void testPrimaryBelowDoesNotInvokeSecondary() {
+        TestableListener listener = new TestableListener();
+
+        mProximitySensor.register(listener);
+        assertTrue(mProximitySensor.isRegistered());
+        assertFalse(mThresholdSensorPrimary.isPaused());
+        assertTrue(mThresholdSensorSecondary.isPaused());
+        assertNull(listener.mLastEvent);
+        assertEquals(0, listener.mCallCount);
+
+        // Trigger primary sensor. Our secondary sensor is not registered.
+        mThresholdSensorPrimary.triggerEvent(false, 0);
+        assertFalse(mThresholdSensorPrimary.isPaused());
+        assertTrue(mThresholdSensorSecondary.isPaused());
+        assertNull(listener.mLastEvent);
+        assertEquals(0, listener.mCallCount);
+    }
+
     @Test
     public void testSingleListener() {
         TestableListener listener = new TestableListener();
@@ -255,40 +274,6 @@ public class ProximitySensorDualTest extends SysuiTestCase {
         mProximitySensor.unregister(listener);
     }
 
-    @Test
-    public void testPrimaryCancelsSecondary() {
-        TestableListener listener = new TestableListener();
-
-        mProximitySensor.register(listener);
-        assertFalse(mThresholdSensorPrimary.isPaused());
-        assertTrue(mThresholdSensorSecondary.isPaused());
-        assertNull(listener.mLastEvent);
-        assertEquals(0, listener.mCallCount);
-
-        mThresholdSensorPrimary.triggerEvent(true, 0);
-        assertNull(listener.mLastEvent);
-        assertEquals(0, listener.mCallCount);
-        mThresholdSensorSecondary.triggerEvent(true, 0);
-        assertTrue(listener.mLastEvent.getBelow());
-        assertEquals(1, listener.mCallCount);
-
-        // When the primary reports false, the secondary is no longer needed. We get an immediate
-        // report.
-        mThresholdSensorPrimary.triggerEvent(false, 1);
-        assertFalse(listener.mLastEvent.getBelow());
-        assertEquals(2, listener.mCallCount);
-
-        // The secondary is now ignored. No more work is scheduled.
-        mFakeExecutor.advanceClockToNext();
-        mFakeExecutor.runNextReady();
-        mThresholdSensorSecondary.triggerEvent(true, 0);
-        assertFalse(listener.mLastEvent.getBelow());
-        assertEquals(2, listener.mCallCount);
-        assertEquals(0, mFakeExecutor.numPending());
-
-        mProximitySensor.unregister(listener);
-    }
-
     @Test
     public void testSecondaryCancelsSecondary() {
         TestableListener listener = new TestableListener();
@@ -342,7 +327,7 @@ public class ProximitySensorDualTest extends SysuiTestCase {
 
         // The secondary sensor should now remain resumed indefinitely.
         assertFalse(mThresholdSensorSecondary.isPaused());
-        mThresholdSensorPrimary.triggerEvent(false, 1);
+        mThresholdSensorSecondary.triggerEvent(false, 1);
         assertFalse(listener.mLastEvent.getBelow());
         assertEquals(2, listener.mCallCount);