diff --git a/transport/Static.cpp b/transport/Static.cpp
index 784b835..cbe6add 100644
--- a/transport/Static.cpp
+++ b/transport/Static.cpp
@@ -29,16 +29,28 @@
 Mutex gDefaultServiceManagerLock;
 sp<android::hidl::manager::V1_0::IServiceManager> gDefaultServiceManager;
 
-ConcurrentMap<std::string, std::function<sp<IBinder>(void *)>>
-        gBnConstructorMap{};
+// Deprecated; kept for ABI compatibility. Use getBnConstructorMap.
+BnConstructorMap gBnConstructorMap{};
 
 ConcurrentMap<const ::android::hidl::base::V1_0::IBase*, wp<::android::hardware::BHwBinder>>
     gBnMap{};
 
 ConcurrentMap<wp<::android::hidl::base::V1_0::IBase>, SchedPrio> gServicePrioMap{};
 
-ConcurrentMap<std::string, std::function<sp<::android::hidl::base::V1_0::IBase>(void *)>>
-        gBsConstructorMap;
+// Deprecated; kept for ABI compatibility. Use getBsConstructorMap.
+BsConstructorMap gBsConstructorMap{};
+
+// For static executables, it is not guaranteed that gBnConstructorMap are initialized before
+// used in HAL definition libraries.
+BnConstructorMap& getBnConstructorMap() {
+    static BnConstructorMap map{};
+    return map;
+}
+
+BsConstructorMap& getBsConstructorMap() {
+    static BsConstructorMap map{};
+    return map;
+}
 
 }  // namespace details
 }  // namespace hardware