diff --git a/boards/px4/sitl/sitl.cmake b/boards/px4/sitl/sitl.cmake
index d08d6dc409..c62e5345c0 100644
--- a/boards/px4/sitl/sitl.cmake
+++ b/boards/px4/sitl/sitl.cmake
@@ -13,7 +13,7 @@ if(REPLAY_FILE)
 
 	message(STATUS "Building without lockstep for replay")
 	set(ENABLE_LOCKSTEP_SCHEDULER no)
-elif(CMAKE_BUILD_TYPE STREQUAL FuzzTesting)
+elseif(CMAKE_BUILD_TYPE STREQUAL FuzzTesting)
 	set(ENABLE_LOCKSTEP_SCHEDULER no)
 else()
 	set(ENABLE_LOCKSTEP_SCHEDULER yes)