diff --git a/src/models/gemma4-assistant.cpp b/src/models/gemma4-assistant.cpp
index 8431ec2a1f..74d06151e3 100644
--- a/src/models/gemma4-assistant.cpp
+++ b/src/models/gemma4-assistant.cpp
@@ -4,7 +4,7 @@ void llama_model_gemma4_assistant::load_arch_hparams(llama_model_loader & ml) {
     hparams.n_embd_inp_impl = hparams.n_embd_out();
 
     hparams.swa_type = LLAMA_SWA_TYPE_STANDARD;
-    ml.get_key_or_arr(LLM_KV_ATTENTION_SLIDING_WINDOW_PATTERN, hparams.is_swa_impl, hparams.n_layer_all);
+    ml.get_arr(LLM_KV_ATTENTION_SLIDING_WINDOW_PATTERN, hparams.is_swa_impl);
 
     uint32_t n_kv_shared_layers = 0;
     ml.get_key(LLM_KV_ATTENTION_SHARED_KV_LAYERS, n_kv_shared_layers, false);
diff --git a/src/models/gemma4.cpp b/src/models/gemma4.cpp
index 39e899aa6e..67de74c547 100644
--- a/src/models/gemma4.cpp
+++ b/src/models/gemma4.cpp
@@ -2,7 +2,7 @@
 
 void llama_model_gemma4::load_arch_hparams(llama_model_loader & ml) {
     hparams.swa_type = LLAMA_SWA_TYPE_STANDARD;
-    ml.get_key_or_arr(LLM_KV_ATTENTION_SLIDING_WINDOW_PATTERN, hparams.is_swa_impl, hparams.n_layer());
+    ml.get_arr(LLM_KV_ATTENTION_SLIDING_WINDOW_PATTERN, hparams.is_swa_impl);
 
     uint32_t n_kv_shared_layers = 0;
     ml.get_key(LLM_KV_ATTENTION_SHARED_KV_LAYERS, n_kv_shared_layers, false);
diff --git a/src/models/step35.cpp b/src/models/step35.cpp
index 946a369600..ca68855d8d 100644
--- a/src/models/step35.cpp
+++ b/src/models/step35.cpp
@@ -23,7 +23,7 @@ void llama_model_step35::load_arch_hparams(llama_model_loader & ml) {
     ml.get_key(LLM_KV_ATTENTION_SLIDING_WINDOW,  hparams.n_swa);
     ml.get_key(LLM_KV_ROPE_FREQ_BASE_SWA,        hparams.rope_freq_base_train_swa, false);
 
-    ml.get_key_or_arr(LLM_KV_ATTENTION_SLIDING_WINDOW_PATTERN, hparams.is_swa_impl, hparams.n_layer_all);
+    ml.get_arr(LLM_KV_ATTENTION_SLIDING_WINDOW_PATTERN, hparams.is_swa_impl);
 
     ml.get_key_or_arr(LLM_KV_SWIGLU_CLAMP_EXP,   hparams.swiglu_clamp_exp,   hparams.n_layer_all, false);
     ml.get_key_or_arr(LLM_KV_SWIGLU_CLAMP_SHEXP, hparams.swiglu_clamp_shexp, hparams.n_layer_all, false);