diff --git a/include/epanet2.h b/include/epanet2.h
index 8527d83..153fef4 100755
--- a/include/epanet2.h
+++ b/include/epanet2.h
@@ -47,6 +47,8 @@
     #else
       #define DLLEXPORT
     #endif
+  #else
+    #define DLLEXPORT
   #endif
 #endif
 
@@ -271,4 +273,4 @@ extern "C" {
 }
 #endif
 
-#endif //EPANET2_H
\ No newline at end of file
+#endif //EPANET2_H