diff --git a/packages/SystemUI/src/com/android/systemui/qs/QSFragment.java b/packages/SystemUI/src/com/android/systemui/qs/QSFragment.java
index 7b27cf45979f1..653d9dd8b6a49 100644
--- a/packages/SystemUI/src/com/android/systemui/qs/QSFragment.java
+++ b/packages/SystemUI/src/com/android/systemui/qs/QSFragment.java
@@ -442,20 +442,19 @@ public class QSFragment extends LifecycleFragment implements QS, CommandQueue.Ca
     }
 
     private void updateQsState() {
-        final boolean expanded = mQsExpanded || mInSplitShade;
-        final boolean expandVisually = expanded || mStackScrollerOverscrolling
+        final boolean expandVisually = mQsExpanded || mStackScrollerOverscrolling
                 || mHeaderAnimating;
-        mQSPanelController.setExpanded(expanded);
+        mQSPanelController.setExpanded(mQsExpanded);
         boolean keyguardShowing = isKeyguardState();
-        mHeader.setVisibility((expanded || !keyguardShowing || mHeaderAnimating
+        mHeader.setVisibility((mQsExpanded || !keyguardShowing || mHeaderAnimating
                 || mShowCollapsedOnKeyguard)
                 ? View.VISIBLE
                 : View.INVISIBLE);
         mHeader.setExpanded((keyguardShowing && !mHeaderAnimating && !mShowCollapsedOnKeyguard)
-                || (expanded && !mStackScrollerOverscrolling), mQuickQSPanelController);
+                || (mQsExpanded && !mStackScrollerOverscrolling), mQuickQSPanelController);
         boolean qsPanelVisible = !mQsDisabled && expandVisually;
-        boolean footerVisible = qsPanelVisible &&  (expanded || !keyguardShowing || mHeaderAnimating
-                || mShowCollapsedOnKeyguard);
+        boolean footerVisible = qsPanelVisible && (mQsExpanded || !keyguardShowing
+                || mHeaderAnimating || mShowCollapsedOnKeyguard);
         mFooter.setVisibility(footerVisible ? View.VISIBLE : View.INVISIBLE);
         if (mQSFooterActionController != null) {
             mQSFooterActionController.setVisible(footerVisible);
@@ -463,7 +462,7 @@ public class QSFragment extends LifecycleFragment implements QS, CommandQueue.Ca
             mQSFooterActionsViewModel.onVisibilityChangeRequested(footerVisible);
         }
         mFooter.setExpanded((keyguardShowing && !mHeaderAnimating && !mShowCollapsedOnKeyguard)
-                || (expanded && !mStackScrollerOverscrolling));
+                || (mQsExpanded && !mStackScrollerOverscrolling));
         mQSPanelController.setVisibility(qsPanelVisible ? View.VISIBLE : View.INVISIBLE);
         if (DEBUG) {
             Log.d(TAG, "Footer: " + footerVisible + ", QS Panel: " + qsPanelVisible);
diff --git a/packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java b/packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java
index 1011a6d831e60..03dd3369773ec 100644
--- a/packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java
+++ b/packages/SystemUI/src/com/android/systemui/shade/NotificationPanelViewController.java
@@ -3123,26 +3123,24 @@ public final class NotificationPanelViewController extends PanelViewController {
         }
         if (mQsExpandImmediate || (mQsExpanded && !mQsTracking && mQsExpansionAnimator == null
                 && !mQsExpansionFromOverscroll)) {
-            float t;
-            if (mKeyguardShowing) {
-
+            float qsExpansionFraction;
+            if (mSplitShadeEnabled) {
+                qsExpansionFraction = 1;
+            } else if (mKeyguardShowing) {
                 // On Keyguard, interpolate the QS expansion linearly to the panel expansion
-                t = expandedHeight / (getMaxPanelHeight());
+                qsExpansionFraction = expandedHeight / (getMaxPanelHeight());
             } else {
                 // In Shade, interpolate linearly such that QS is closed whenever panel height is
                 // minimum QS expansion + minStackHeight
-                float
-                        panelHeightQsCollapsed =
+                float panelHeightQsCollapsed =
                         mNotificationStackScrollLayoutController.getIntrinsicPadding()
                                 + mNotificationStackScrollLayoutController.getLayoutMinHeight();
                 float panelHeightQsExpanded = calculatePanelHeightQsExpanded();
-                t =
-                        (expandedHeight - panelHeightQsCollapsed) / (panelHeightQsExpanded
-                                - panelHeightQsCollapsed);
+                qsExpansionFraction = (expandedHeight - panelHeightQsCollapsed)
+                        / (panelHeightQsExpanded - panelHeightQsCollapsed);
             }
-            float
-                    targetHeight =
-                    mQsMinExpansionHeight + t * (mQsMaxExpansionHeight - mQsMinExpansionHeight);
+            float targetHeight = mQsMinExpansionHeight
+                    + qsExpansionFraction * (mQsMaxExpansionHeight - mQsMinExpansionHeight);
             setQsExpansion(targetHeight);
         }
         updateExpandedHeight(expandedHeight);
diff --git a/packages/SystemUI/tests/src/com/android/systemui/qs/QSFragmentTest.java b/packages/SystemUI/tests/src/com/android/systemui/qs/QSFragmentTest.java
index 5d5918de3d9e0..2a66773f924e2 100644
--- a/packages/SystemUI/tests/src/com/android/systemui/qs/QSFragmentTest.java
+++ b/packages/SystemUI/tests/src/com/android/systemui/qs/QSFragmentTest.java
@@ -402,6 +402,19 @@ public class QSFragmentTest extends SysuiBaseFragmentTest {
         verify(mQSPanelController).setListening(eq(true), anyBoolean());
     }
 
+    @Test
+    public void passCorrectExpansionState_inSplitShade() {
+        QSFragment fragment = resumeAndGetFragment();
+        enableSplitShade();
+        clearInvocations(mQSPanelController);
+
+        fragment.setExpanded(true);
+        verify(mQSPanelController).setExpanded(true);
+
+        fragment.setExpanded(false);
+        verify(mQSPanelController).setExpanded(false);
+    }
+
     @Override
     protected Fragment instantiate(Context context, String className, Bundle arguments) {
         MockitoAnnotations.initMocks(this);