diff --git a/app/br-gui/CMakeLists.txt b/app/br-gui/CMakeLists.txt
index 757bdd6..76a7cff 100644
--- a/app/br-gui/CMakeLists.txt
+++ b/app/br-gui/CMakeLists.txt
@@ -1,5 +1,5 @@
 include_directories(${CMAKE_CURRENT_BINARY_DIR})
 add_executable(br-gui WIN32 br-gui.cpp ${BR_RESOURCES})
 qt5_use_modules(br-gui ${QT_DEPENDENCIES})
-target_link_libraries(br-gui openbr ${BR_THIRDPARTY_LIBS})
+target_link_libraries(br-gui openbr ${BR_THIRDPARTY_LIBS} opencv_core)
 install(TARGETS br-gui RUNTIME DESTINATION bin)