diff --git a/tests/sys/fs/fusefs/Makefile b/tests/sys/fs/fusefs/Makefile
index 6b0a6ef366b0..f45f2f93e1c0 100644
--- a/tests/sys/fs/fusefs/Makefile
+++ b/tests/sys/fs/fusefs/Makefile
@@ -1,96 +1,100 @@
 
 .include <bsd.compiler.mk>
 
 PACKAGE=	tests
 
 TESTSDIR=	${TESTSBASE}/sys/fs/fusefs
 
 # We could simply link all of these files into a single executable.  But since
 # Kyua treats googletest programs as plain tests, it's better to separate them
 # out, so we get more granular reporting.
 GTESTS+=	access
 GTESTS+=	allow_other
 GTESTS+=	bad_server
 GTESTS+=	bmap
 GTESTS+=	cache
 GTESTS+=	copy_file_range
 GTESTS+=	create
 GTESTS+=	default_permissions
 GTESTS+=	default_permissions_privileged
 GTESTS+=	destroy
 GTESTS+=	dev_fuse_poll
 GTESTS+=	fallocate
 GTESTS+=	fifo
 GTESTS+=	flush
 GTESTS+=	forget
 GTESTS+=	fsync
 GTESTS+=	fsyncdir
 GTESTS+=	getattr
 GTESTS+=	interrupt
 GTESTS+=	io
 GTESTS+=	last_local_modify
 GTESTS+=	link
 GTESTS+=	locks
 GTESTS+=	lookup
 GTESTS+=	lseek
 GTESTS+=	mkdir
 GTESTS+=	mknod
 GTESTS+=	mount
 GTESTS+=	nfs
 GTESTS+=	notify
 GTESTS+=	open
 GTESTS+=	opendir
 GTESTS+=	read
 GTESTS+=	readdir
 GTESTS+=	readlink
 GTESTS+=	release
 GTESTS+=	releasedir
 GTESTS+=	rename
 GTESTS+=	rmdir
 GTESTS+=	setattr
 GTESTS+=	statfs
 GTESTS+=	symlink
 GTESTS+=	unlink
 GTESTS+=	write
 GTESTS+=	xattr
 
 .for p in ${GTESTS}
 SRCS.$p+=	${p}.cc
 SRCS.$p+=	getmntopts.c
 SRCS.$p+=	mockfs.cc
 SRCS.$p+=	utils.cc
 .endfor
 
 TEST_METADATA.default_permissions+=	required_user="unprivileged"
 TEST_METADATA.default_permissions_privileged+=	required_user="root"
 TEST_METADATA.mknod+=	required_user="root"
 TEST_METADATA.nfs+=	required_user="root"
 
 # TODO: drastically increase timeout after test development is mostly complete
 TEST_METADATA+= timeout=10
 
 FUSEFS=		${SRCTOP}/sys/fs/fuse
 MOUNT=		${SRCTOP}/sbin/mount
 # Suppress warnings that GCC generates for the libc++ and gtest headers.
 CXXWARNFLAGS.gcc+=	-Wno-placement-new -Wno-attributes
 # Suppress Wcast-align for readdir.cc, because it is unavoidable when using
 # getdirentries.
 CXXWARNFLAGS.readdir.cc+=	-Wno-cast-align
 .if ${COMPILER_TYPE} == "gcc" && ${COMPILER_VERSION} >= 80000
 CXXWARNFLAGS+=	-Wno-class-memaccess
 .endif
 # Suppress false warning about set but unused DNAME in inval_entry_below_root
 CXXWARNFLAGS.gcc+= -Wno-unused-but-set-variable
 # Suppress warnings about deprecated implicit copy constructors in gtest.
 CXXWARNFLAGS+=  -Wno-deprecated-copy
+.if ${COMPILER_TYPE} == "clang" && ${COMPILER_VERSION} >= 180000
+# clang 18.0.0 introduces a new warning about variable length arrays in C++.
+CXXWARNFLAGS+=	-Wno-vla-cxx-extension
+.endif
 CXXFLAGS+=	-I${SRCTOP}/tests
 CXXFLAGS+=	-I${FUSEFS}
 CXXFLAGS+=	-I${MOUNT}
 .PATH:		${MOUNT}
 CXXSTD=		c++14
 
 LIBADD+=	pthread
 LIBADD+=	gmock gtest
 LIBADD+=	util
 
 .include <bsd.test.mk>