diff --git a/src/com/android/services/telephony/domainselection/EmergencyCallDomainSelector.java b/src/com/android/services/telephony/domainselection/EmergencyCallDomainSelector.java
index 2ebb4cf..a23d0b7 100644
--- a/src/com/android/services/telephony/domainselection/EmergencyCallDomainSelector.java
+++ b/src/com/android/services/telephony/domainselection/EmergencyCallDomainSelector.java
@@ -316,7 +316,8 @@
 
         if (mTryCsWhenPsFails) {
             mTryCsWhenPsFails = false;
-            mCsNetworkType = getSelectableCsNetworkType();
+            // Initial state was CSFB available and dial PS failed.
+            // Dial CS for CSFB instead of scanning with CS preferred network list.
             logi("reselectDomain tryCs=" + accessNetworkTypeToString(mCsNetworkType));
             if (mCsNetworkType != UNKNOWN) {
                 onWwanNetworkTypeSelected(mCsNetworkType);
diff --git a/tests/src/com/android/services/telephony/domainselection/EmergencyCallDomainSelectorTest.java b/tests/src/com/android/services/telephony/domainselection/EmergencyCallDomainSelectorTest.java
index 444f9c3..673e586 100644
--- a/tests/src/com/android/services/telephony/domainselection/EmergencyCallDomainSelectorTest.java
+++ b/tests/src/com/android/services/telephony/domainselection/EmergencyCallDomainSelectorTest.java
@@ -306,6 +306,28 @@
     }
 
     @Test
+    public void testDefaultCombinedImsRegisteredSelectPsThenCsfb() throws Exception {
+        createSelector(SLOT_0_SUB_ID);
+        unsolBarringInfoChanged(false);
+
+        EmergencyRegResult regResult = getEmergencyRegResult(EUTRAN, REGISTRATION_STATE_HOME,
+                NetworkRegistrationInfo.DOMAIN_CS | NetworkRegistrationInfo.DOMAIN_PS,
+                true, true, 0, 0, "", "");
+        SelectionAttributes attr = getSelectionAttributes(SLOT_0, SLOT_0_SUB_ID, regResult);
+        mDomainSelector.selectDomain(attr, mTransportSelectorCallback);
+        processAllMessages();
+
+        bindImsService();
+
+        verifyPsDialed();
+
+        mDomainSelector.reselectDomain(attr);
+        processAllMessages();
+
+        verifyCsDialed();
+    }
+
+    @Test
     public void testDefaultCombinedImsNotRegisteredSelectCs() throws Exception {
         createSelector(SLOT_0_SUB_ID);
         unsolBarringInfoChanged(false);