diff --git a/CMakeLists.txt b/CMakeLists.txt
index 7f83be22..914d752d 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -280,7 +280,9 @@ install(TARGETS mopac-makpol RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONE
 if(WIN32)
   install(TARGETS mopac-core RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT main)
 #  install(TARGETS mopac-win RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT extra)
-  install(TARGETS mopac-bz RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT extra)
+  if(BUILD_WINMOPAC)
+    install(TARGETS mopac-bz RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} COMPONENT extra)
+  endif()
 else()
   install(TARGETS mopac-core LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} COMPONENT main)
 endif()