diff --git a/Signal/src/util/MainAppContext.m b/Signal/src/util/MainAppContext.m
index 26ef1ce448..91d0134f1b 100644
--- a/Signal/src/util/MainAppContext.m
+++ b/Signal/src/util/MainAppContext.m
@@ -426,6 +426,10 @@ NSString *const ReportedApplicationStateDidChangeNotification = @"ReportedApplic
 
 - (BOOL)hasActiveCall
 {
+    if (!AppReadiness.isAppReady) {
+        OWSFailDebug(@"App is not ready.");
+        return NO;
+    }
     return AppEnvironment.shared.callService.hasCallInProgress;
 }