diff --git a/rtc_base/unittest_main.cc b/rtc_base/unittest_main.cc
index 73ec44ad68..28a1bbbc09 100644
--- a/rtc_base/unittest_main.cc
+++ b/rtc_base/unittest_main.cc
@@ -137,5 +137,13 @@ int main(int argc, char* argv[]) {
     _CrtSetReportHook2(_CRT_RPTHOOK_REMOVE, TestCrtReportHandler);
 #endif
 
+#if defined(ADDRESS_SANITIZER) || defined(LEAK_SANITIZER) ||  \
+    defined(MEMORY_SANITIZER) || defined(THREAD_SANITIZER) || \
+    defined(UNDEFINED_SANITIZER)
+  // We want the test flagged as failed only for sanitizer defects,
+  // in which case the sanitizer will override exit code with 66.
+  return 0;
+#endif
+
   return res;
 }
diff --git a/test/test_main_lib.cc b/test/test_main_lib.cc
index e939f94af0..95144c98fc 100644
--- a/test/test_main_lib.cc
+++ b/test/test_main_lib.cc
@@ -148,6 +148,14 @@ class TestMainImpl : public TestMain {
       result_file.close();
     }
 
+#if defined(ADDRESS_SANITIZER) || defined(LEAK_SANITIZER) ||  \
+    defined(MEMORY_SANITIZER) || defined(THREAD_SANITIZER) || \
+    defined(UNDEFINED_SANITIZER)
+    // We want the test flagged as failed only for sanitizer defects,
+    // in which case the sanitizer will override exit code with 66.
+    return 0;
+#endif
+
     return exit_code;
 #endif
   }