diff --git a/CMakeLists.txt b/CMakeLists.txt
index 73ee821..8399d2a 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -45,13 +45,17 @@ qt5_add_resources(TENMON_SRC resources.qrc)
 if(WIN32)
     list(APPEND TENMON_SRC icon.rc)
     add_compile_definitions("__PCL_WINDOWS")
+    set(tenmon_ICON "")
 elseif(APPLE)
     add_compile_definitions("__PCL_MACOS")
+    set(tenmon_ICON ${CMAKE_CURRENT_SOURCE_DIR}/tenmon.icns)
+    set_source_files_properties(${tenmon_ICON} PROPERTIES MACOSX_PACKAGE_LOCATION "Resources")
 else()
     add_compile_definitions("__PCL_LINUX")
+    set(tenmon_ICON "")
 endif()
 
-add_executable(tenmon WIN32 MACOSX_BUNDLE ${TENMON_SRC})
+add_executable(tenmon WIN32 MACOSX_BUNDLE ${tenmon_ICON} ${TENMON_SRC})
 
 find_path(FITS_INCLUDE fitsio2.h PATH_SUFFIXES cfitsio REQUIRED)
 target_include_directories(tenmon PRIVATE ${OpenCV_INCLUDE_DIRS} ${FITS_INCLUDE} 3rdparty/include ${CMAKE_BINARY_DIR})
diff --git a/tenmon.icns b/tenmon.icns
new file mode 100644
index 0000000..f50cb0f
Binary files /dev/null and b/tenmon.icns differ