diff --git a/CMakeLists.txt b/CMakeLists.txt
index 1cd4f7d..fa1951c 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -80,7 +80,7 @@ endif()
 # Find Qt
 set(QT_DEPENDENCIES Concurrent Core)
 option(BR_EMBEDDED "Limit software dependencies")
-if(NOT ${BR_EMBEDDED})
+if(NOT BR_EMBEDDED)
   set(QT_DEPENDENCIES ${QT_DEPENDENCIES} Gui Network Sql Widgets Xml)
 endif()
 foreach(QT_DEPENDENCY ${QT_DEPENDENCIES})
@@ -189,7 +189,7 @@ if(${BR_INSTALL_BRPY})
 endif()
 
 # Package
-if(NOT ${BR_PACKAGE_THIRDPARTY})
+if(NOT BR_PACKAGE_THIRDPARTY)
   set(CPACK_PACKAGE_EXECUTABLES "OpenBR" "OpenBR")
   set(CPACK_CREATE_DESKTOP_LINKS "OpenBR")
   if(CMAKE_HOST_WIN32)
diff --git a/openbr/CMakeLists.txt b/openbr/CMakeLists.txt
index 15ed3f0..1ace321 100644
--- a/openbr/CMakeLists.txt
+++ b/openbr/CMakeLists.txt
@@ -14,7 +14,7 @@ aux_source_directory(core BR_CORE)
 include(plugins/plugins.cmake)
 
 # Optional GUI module
-if(NOT ${BR_EMBEDDED})
+if(NOT BR_EMBEDDED)
   aux_source_directory(gui BR_GUI)
   qt5_add_resources(BR_ICONS ../share/openbr/icons.qrc)
   file(GLOB HEADERS ${CMAKE_CURRENT_SOURCE_DIR}/gui/*.h)
diff --git a/openbr/plugins/cmake/vbb.cmake b/openbr/plugins/cmake/vbb.cmake
index 9466141..92b2711 100644
--- a/openbr/plugins/cmake/vbb.cmake
+++ b/openbr/plugins/cmake/vbb.cmake
@@ -1,3 +1,3 @@
-if(NOT ${BR_WITH_CVMATIO})
+if(NOT BR_WITH_CVMATIO)
   set(BR_EXCLUDED_PLUGINS ${BR_EXCLUDED_PLUGINS} plugins/gallery/vbb.cpp)
 endif()