diff --git a/openbr/CMakeLists.txt b/openbr/CMakeLists.txt
index 8f82b9f..a4c6a2c 100644
--- a/openbr/CMakeLists.txt
+++ b/openbr/CMakeLists.txt
@@ -32,12 +32,15 @@ target_link_libraries(openbr ${BR_THIRDPARTY_LIBS})
 add_cppcheck(openbr)
 
 # Janus implementation
+set(BR_WITH_JANUS ON CACHE BOOL "Build IARPA Janus related applications.")
+if (BR_WITH_JANUS)
 set(JANUS_BUILD_PP5_WRAPPER ${BR_WITH_PP5} CACHE BOOL "Build Janus implementation using PittPatt 5")
 set(JANUS_BUILD_DOCS ${BR_BUILD_DOCUMENTATION} CACHE BOOL "Build Janus HTML Doxygen documentation")
 mark_as_advanced(JANUS_BUILD_PP5_WRAPPER)
 mark_as_advanced(JANUS_BUILD_DOCS)
 set(JANUS_IMPLEMENTATION openbr)
 add_subdirectory(janus)
+endif()
 
 # Install
 install(TARGETS openbr