diff --git a/include/sigfn.h b/include/sigfn.h
index 3b9b477..adefcfa 100644
--- a/include/sigfn.h
+++ b/include/sigfn.h
@@ -35,6 +35,12 @@
 #include <stdlib.h>
 #include <signal.h>
 
+#ifdef _WIN32
+#define DLL_EXPORT __declspec(dllexport)
+#else
+#define DLL_EXPORT
+#endif
+
 #ifdef __cplusplus
 extern "C"
 {
@@ -55,21 +61,21 @@ extern "C"
      * @param handler function associated with this signal
      * @param userdata optional user data passed to the function
      */
-    int sigfn_handle(int signum, sigfn_handler_func handler, void *userdata);
+    DLL_EXPORT int sigfn_handle(int signum, sigfn_handler_func handler, void *userdata);
 
     /**
      * @brief ignore a specific signal
      *
      * @param signum signal to ignore
      */
-    int sigfn_ignore(int signum);
+    DLL_EXPORT int sigfn_ignore(int signum);
 
     /**
      * @brief reset a specific signal to its default behavior
      *
      * @param signum signal to reset
      */
-    int sigfn_reset(int signum);
+    DLL_EXPORT int sigfn_reset(int signum);
 
 #ifdef __cplusplus
 }
diff --git a/include/sigfn.hpp b/include/sigfn.hpp
index 652dad7..21262aa 100644
--- a/include/sigfn.hpp
+++ b/include/sigfn.hpp
@@ -46,7 +46,7 @@ namespace sigfn
      *
      * @class exception allows sigfn error codes to be thrown as exceptions
      */
-    class exception final : public std::exception
+    class DLL_EXPORT exception final : public std::exception
     {
     private:
         std::string _error_message;
@@ -62,7 +62,7 @@ namespace sigfn
      * @param signum signal to be handled
      * @param handler_function function object associated with this signal
      */
-    void handle(int signum, const handler_function &handler_function);
+    DLL_EXPORT void handle(int signum, const handler_function &handler_function);
 
     /**
      * @brief attach handler to specific signal using move semantics
@@ -70,21 +70,21 @@ namespace sigfn
      * @param signum signal to be handled
      * @param handler_function function object associated with this signal
      */
-    void handle(int signum, handler_function &&handler_function);
+    DLL_EXPORT void handle(int signum, handler_function &&handler_function);
 
     /**
      * @brief ignore a specific signal
      *
      * @param signum signal to be ignored
      */
-    void ignore(int signum);
+    DLL_EXPORT void ignore(int signum);
 
     /**
      * @brief reset a specific signal to its default behavior
      *
      * @param signum signal to be reset
      */
-    void reset(int signum);
+    DLL_EXPORT void reset(int signum);
 }
 
 #endif
\ No newline at end of file