diff --git a/src/com/android/dialer/calllog/CallLogAdapter.java b/src/com/android/dialer/calllog/CallLogAdapter.java
index 5455291..85d1c38 100644
--- a/src/com/android/dialer/calllog/CallLogAdapter.java
+++ b/src/com/android/dialer/calllog/CallLogAdapter.java
@@ -367,6 +367,12 @@
         mContactInfoCache.invalidate();
     }
 
+    public void startCache() {
+        if (PermissionsUtil.hasPermission(mContext, android.Manifest.permission.READ_CONTACTS)) {
+            mContactInfoCache.start();
+        }
+    }
+
     public void pauseCache() {
         mContactInfoCache.stop();
         mTelecomCallLogCache.reset();
diff --git a/src/com/android/dialer/calllog/CallLogFragment.java b/src/com/android/dialer/calllog/CallLogFragment.java
index 59e2c7f..e7b7764 100644
--- a/src/com/android/dialer/calllog/CallLogFragment.java
+++ b/src/com/android/dialer/calllog/CallLogFragment.java
@@ -338,6 +338,7 @@
         }
         mHasReadCallLogPermission = hasReadCallLogPermission;
         refreshData();
+        mAdapter.startCache();
     }
 
     @Override
diff --git a/src/com/android/dialer/calllog/ContactInfoHelper.java b/src/com/android/dialer/calllog/ContactInfoHelper.java
index 9a660e1..20d33a0 100644
--- a/src/com/android/dialer/calllog/ContactInfoHelper.java
+++ b/src/com/android/dialer/calllog/ContactInfoHelper.java
@@ -298,6 +298,10 @@
      */
     public void updateCallLogContactInfo(String number, String countryIso, ContactInfo updatedInfo,
             ContactInfo callLogInfo) {
+        if (!PermissionsUtil.hasPermission(mContext, android.Manifest.permission.WRITE_CALL_LOG)) {
+            return;
+        }
+
         final ContentValues values = new ContentValues();
         boolean needsUpdate = false;