diff --git a/tests/test-llama-archs.cpp b/tests/test-llama-archs.cpp
index 4fe585e29a..8037a11398 100644
--- a/tests/test-llama-archs.cpp
+++ b/tests/test-llama-archs.cpp
@@ -392,7 +392,7 @@ static bool arch_supported(const llm_arch arch) {
     if (arch == LLM_ARCH_WAVTOKENIZER_DEC) {
         return false; // FIXME CUDA backend crashes.
     }
-    if (arch == LLM_ARCH_GEMMA4) {
+    if (arch == LLM_ARCH_GEMMA4 || arch == LLM_ARCH_GEMMA4_ASSISTANT) {
         return false; // FIXME @ngxson
     }
     if (arch == LLM_ARCH_LLAMA_EMBED || arch == LLM_ARCH_GEMMA_EMBEDDING || arch == LLM_ARCH_T5ENCODER) {
@@ -447,7 +447,7 @@ static int save_models(const llm_arch target_arch, const size_t seed, const ggml
         if (target_arch != LLM_ARCH_UNKNOWN && arch != target_arch) {
             continue;
         }
-        if (arch == LLM_ARCH_GEMMA4) {
+        if (arch == LLM_ARCH_GEMMA4 || arch == LLM_ARCH_GEMMA4_ASSISTANT) {
             continue; // FIXME: ISWA KV cache initialization needs more fixture params
         }
         for (bool moe : {false, true}) {
@@ -550,7 +550,7 @@ static int test_backends(const llm_arch target_arch, const size_t seed, const gg
         if (target_arch != LLM_ARCH_UNKNOWN && arch != target_arch) {
             continue;
         }
-        if (arch == LLM_ARCH_GEMMA4) {
+        if (arch == LLM_ARCH_GEMMA4 || arch == LLM_ARCH_GEMMA4_ASSISTANT) {
             continue; // FIXME: ISWA KV cache initialization needs more fixture params
         }