diff --git a/include/serial/libserial_exports.h b/include/serial/libserial_exports.h
index 994c35b..d8f3678 100644
--- a/include/serial/libserial_exports.h
+++ b/include/serial/libserial_exports.h
@@ -1,17 +1,16 @@
-#pragma once
-
-
-#if defined(_WIN32)
-#  if defined(LIBSERIAL_STATIC)
-#    define LIBSERIAL_EXPORT_API
-#  else
-#    if defined(LIBSERIAL_EXPORTS)
-#      define LIBSERIAL_EXPORT_API __declspec(dllexport)
-#    else
-#      define LIBSERIAL_EXPORT_API __declspec(dllimport)
-#    endif
-#  endif
-#else
-#  define LIBSERIAL_EXPORT_API
-#endif
-
+#pragma once
+
+#if defined(_WIN32)
+#  if !defined(LIBSERIAL_DYNAMIC)
+#    define LIBSERIAL_EXPORT_API
+#  else
+#    if defined(LIBSERIAL_EXPORTS)
+#      define LIBSERIAL_EXPORT_API __declspec(dllexport)
+#    else
+#      define LIBSERIAL_EXPORT_API __declspec(dllimport)
+#    endif
+#  endif
+#else
+#  define LIBSERIAL_EXPORT_API
+#endif
+