diff --git a/community/mumble/APKBUILD b/community/mumble/APKBUILD
index 9db6e4228c4..6d31629a359 100644
--- a/community/mumble/APKBUILD
+++ b/community/mumble/APKBUILD
@@ -58,6 +58,8 @@ builddir="$srcdir/$pkgname-$pkgver.src"
 #     - CVE-2018-20743
 
 build() {
+	CFLAGS="$CFLAGS -flto=auto" \
+	CXXFLAGS="$CXXFLAGS -flto=auto" \
 	cmake -B build -G Ninja \
 		-DCMAKE_INSTALL_PREFIX=/usr \
 		-DCMAKE_INSTALL_LIBDIR=lib \