diff --git a/testing/kalker/APKBUILD b/testing/kalker/APKBUILD
index 803376c8438db645b1e645898627fb5dc61ff6b7..d1ad476b6a73c2b2ec5b2966bcbef092f7bd34b5 100644
--- a/testing/kalker/APKBUILD
+++ b/testing/kalker/APKBUILD
@@ -5,7 +5,8 @@ pkgver=2.2.0
 pkgrel=0
 pkgdesc="Calculator that supports user-defined variables, functions, differentiation, and integration"
 url="https://kalker.xyz"
-arch="all !s390x" # nix
+# s390x: nix, loongarch64: libc
+arch="all !s390x !loongarch64"
 license="MIT"
 makedepends="
 	cargo