diff --git a/sdk/BUILD.gn b/sdk/BUILD.gn
index 36909e26ae..a50b93ded0 100644
--- a/sdk/BUILD.gn
+++ b/sdk/BUILD.gn
@@ -43,6 +43,10 @@ if (is_ios || is_mac) {
       "-Wstrict-overflow",
       "-Wmissing-field-initializers",
     ]
+
+    if (use_clang_coverage) {
+      configs = [ "//build/config/coverage:default_coverage" ]
+    }
   }
 
   config("used_from_extension") {