diff --git a/CMakeLists.txt b/CMakeLists.txt
index 38db4dcde21e..ec6204be1a39 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -127,9 +127,9 @@ endif()
 if(USE_DLOPEN_NCCL AND (NOT (CMAKE_SYSTEM_NAME STREQUAL "Linux")))
   message(SEND_ERROR "`USE_DLOPEN_NCCL` supports only Linux at the moment.")
 endif()
-if (USE_DLOPEN_NCCL AND BUILD_WITH_SHARED_NCCL)
+if(USE_DLOPEN_NCCL AND BUILD_WITH_SHARED_NCCL)
   message(SEND_ERROR "`USE_DLOPEN_NCCL` can not be used with `BUILD_WITH_SHARED_NCCL`")
-endif ()
+endif()
 if(JVM_BINDINGS AND R_LIB)
   message(SEND_ERROR "`R_LIB' is not compatible with `JVM_BINDINGS' as they both have customized configurations.")
 endif()