diff --git a/CMakeLists.txt b/CMakeLists.txt
index 346e4f1..2636d67 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -128,8 +128,10 @@ install(FILES README.md LICENSE LICENSE.bitcoin
 configure_file( docs/eosio-keygen.1.in
 				${PROJECT_BINARY_DIR}/man1/eosio-keygen.1 )
 
+if (UNIX)
 install(DIRECTORY ${PROJECT_BINARY_DIR}/man1
 		DESTINATION ${CMAKE_INSTALL_MANDIR})
+endif (UNIX)
 
 # --------------------------------
 #  Extras