diff --git a/map65/CMakeLists.txt b/map65/CMakeLists.txt
index 2eba82efb..f9ff110f6 100644
--- a/map65/CMakeLists.txt
+++ b/map65/CMakeLists.txt
@@ -51,6 +51,10 @@ add_executable (map65 ${map65_CXXSRCS} ${map65_CSRCS} ${map65_GENUISRCS} map65.r
 target_include_directories (map65 PRIVATE ${CMAKE_SOURCE_DIR} ${FFTW3_INCLUDE_DIRS})
 target_link_libraries (map65 wsjt_qt m65impl ${FFTW3_LIBRARIES} Qt5::Widgets Qt5::Network Portaudio::Portaudio Usb::Usb)
 
+if (WSJT_CREATE_WINMAIN)
+  set_target_properties (map65 PROPERTIES WIN32_EXECUTABLE ON)
+endif (WSJT_CREATE_WINMAIN)
+
 if (WIN32)
   install (
     CODE "get_filename_component (_path \"\$ENV{DESTDIR}\${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_BINDIR}/wsjtx_dir.txt\" REALPATH)