diff --git a/Support/HockeySDKTests/BITTestHelper.m b/Support/HockeySDKTests/BITTestHelper.m
index 44eaad6690..c1fe8455e2 100644
--- a/Support/HockeySDKTests/BITTestHelper.m
+++ b/Support/HockeySDKTests/BITTestHelper.m
@@ -67,7 +67,7 @@
   // the bundle identifier when running with unit tets is "otest"
   const char *progname = getprogname();
   if (progname == NULL) {
-    return NO;
+    return nil;
   }
 
   NSString *filePath = [[NSBundle bundleForClass:self.class] pathForResource:filename ofType:@"plcrash"];