diff --git a/rtc_base/unittest_main.cc b/rtc_base/unittest_main.cc
index 73ec44a..28a1bbb 100644
--- a/rtc_base/unittest_main.cc
+++ b/rtc_base/unittest_main.cc
@@ -137,5 +137,13 @@
     _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 e939f94..95144c9 100644
--- a/test/test_main_lib.cc
+++ b/test/test_main_lib.cc
@@ -148,6 +148,14 @@
       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
   }