diff --git a/cmake/macros/TargetSixense.cmake b/cmake/macros/TargetSixense.cmake
index 28128d8b79..07dcfe67e4 100644
--- a/cmake/macros/TargetSixense.cmake
+++ b/cmake/macros/TargetSixense.cmake
@@ -6,11 +6,11 @@
 #  See the accompanying file LICENSE or http://www.apache.org/licenses/LICENSE-2.0.html
 #
 macro(TARGET_SIXENSE)
-	if(NOT APPLE)
-	    add_dependency_external_projects(sixense)
-	    find_package(Sixense REQUIRED)
-	    target_include_directories(${TARGET_NAME} PRIVATE ${SIXENSE_INCLUDE_DIRS})
-	    target_link_libraries(${TARGET_NAME} ${SIXENSE_LIBRARIES})
-	    add_definitions(-DHAVE_SIXENSE)
-	endif()
+    if(NOT APPLE)
+        add_dependency_external_projects(sixense)
+        find_package(Sixense REQUIRED)
+        target_include_directories(${TARGET_NAME} PRIVATE ${SIXENSE_INCLUDE_DIRS})
+        target_link_libraries(${TARGET_NAME} ${SIXENSE_LIBRARIES})
+        add_definitions(-DHAVE_SIXENSE)
+    endif()
 endmacro()