diff --git a/app/src/main/java/eu/faircode/email/Helper.java b/app/src/main/java/eu/faircode/email/Helper.java
index 6835facb61..9f061c2577 100644
--- a/app/src/main/java/eu/faircode/email/Helper.java
+++ b/app/src/main/java/eu/faircode/email/Helper.java
@@ -835,6 +835,9 @@ public class Helper {
     }
 
     static void customTabsWarmup(Context context) {
+        if (context == null)
+            return;
+
         try {
             CustomTabsClient.bindCustomTabsService(context, "com.android.chrome", new CustomTabsServiceConnection() {
                 @Override