diff --git a/app-benchmarks/bonnie/bonnie-2.0.6-r3.ebuild b/app-benchmarks/bonnie/bonnie-2.0.6-r3.ebuild
index 6627f2b54a475..2ab46e265b617 100644
--- a/app-benchmarks/bonnie/bonnie-2.0.6-r3.ebuild
+++ b/app-benchmarks/bonnie/bonnie-2.0.6-r3.ebuild
@@ -17,6 +17,7 @@ KEYWORDS="~alpha amd64 ~ia64 ~mips ppc ppc64 sparc x86"
 PATCHES=(
 	"${FILESDIR}"/${P}-includes.patch
 	"${FILESDIR}"/${P}-man.patch
+	"${FILESDIR}"/${P}-clang16.patch
 )
 
 src_compile() {
diff --git a/app-benchmarks/bonnie/files/bonnie-2.0.6-clang16.patch b/app-benchmarks/bonnie/files/bonnie-2.0.6-clang16.patch
new file mode 100644
index 0000000000000..d1a3a36fa4f29
--- /dev/null
+++ b/app-benchmarks/bonnie/files/bonnie-2.0.6-clang16.patch
@@ -0,0 +1,8 @@
+https://bugs.gentoo.org/870559
+--- a/Bonnie.c
++++ b/Bonnie.c
+@@ -93,3 +93,3 @@
+ 
+-main(
++int main(
+   int    argc,