diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index 8cd39a544..a77c232ca 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -28,7 +28,7 @@
 # 
 # Parts of this file are originally copyright (c) 2012-2013 The Cryptonote developers
 
-if (WIN32 AND STATIC)
+if (WIN32 OR STATIC)
   add_definitions(-DSTATICLIB)
   # miniupnp changed their static define
   add_definitions(-DMINIUPNP_STATICLIB)