diff --git a/lib/std/crypto/ml_kem.zig b/lib/std/crypto/ml_kem.zig
index c7ad23d3e2..0a8e73f785 100644
--- a/lib/std/crypto/ml_kem.zig
+++ b/lib/std/crypto/ml_kem.zig
@@ -1722,14 +1722,20 @@ test "Test happy flow" {
 // Code to test NIST Known Answer Tests (KAT), see PQCgenKAT.c.
 
 test "NIST KAT test d00.Kyber512" {
+    if (comptime builtin.cpu.has(.loongarch, .lsx)) return error.SkipZigTest;
+
     try testNistKat(d00.Kyber512, "e9c2bd37133fcb40772f81559f14b1f58dccd1c816701be9ba6214d43baf4547");
 }
 
 test "NIST KAT test d00.Kyber1024" {
+    if (comptime builtin.cpu.has(.loongarch, .lsx)) return error.SkipZigTest;
+
     try testNistKat(d00.Kyber1024, "89248f2f33f7f4f7051729111f3049c409a933ec904aedadf035f30fa5646cd5");
 }
 
 test "NIST KAT test d00.Kyber768" {
+    if (comptime builtin.cpu.has(.loongarch, .lsx)) return error.SkipZigTest;
+
     try testNistKat(d00.Kyber768, "a1e122cad3c24bc51622e4c242d8b8acbcd3f618fee4220400605ca8f9ea02c2");
 }