diff --git a/src/js_native_api.h b/src/js_native_api.h
index acb7316d2d2972..9d0fa811cfa3af 100644
--- a/src/js_native_api.h
+++ b/src/js_native_api.h
@@ -22,7 +22,7 @@
   #ifdef _WIN32
     #define NAPI_EXTERN __declspec(dllexport)
   #else
-    #define NAPI_EXTERN /* nothing */
+    #define NAPI_EXTERN __attribute__((visibility("default")))
   #endif
 #endif
 
diff --git a/src/node.h b/src/node.h
index 72911d7982b72f..c260d172c01ebf 100644
--- a/src/node.h
+++ b/src/node.h
@@ -29,7 +29,7 @@
 #   define NODE_EXTERN __declspec(dllimport)
 # endif
 #else
-# define NODE_EXTERN /* nothing */
+# define NODE_EXTERN __attribute__((visibility("default")))
 #endif
 
 #ifdef BUILDING_NODE_EXTENSION