diff --git a/src/crf_context.c b/src/crf_context.c
index 0f399a1a..e8635e28 100644
--- a/src/crf_context.c
+++ b/src/crf_context.c
@@ -41,7 +41,7 @@ crf_context_t *crf_context_new(int flag, size_t L, size_t T) {
 
     if (context->flag & CRF_CONTEXT_MARGINALS) {
 #if defined(INTEL_SSE) || defined(ARM_NEON)
-        context->exp_state = double_matrix_new_aligned(T, L, 16);
+        context->exp_state = double_matrix_new_aligned(T, L, 32);
         if (context->exp_state == NULL) goto exit_context_created;
         double_matrix_zero(context->exp_state);
 #else
@@ -53,7 +53,7 @@ crf_context_t *crf_context_new(int flag, size_t L, size_t T) {
         if (context->mexp_state == NULL) goto exit_context_created;
 
 #if defined(INTEL_SSE) || defined(ARM_NEON)
-        context->exp_state_trans = double_matrix_new_aligned(T, L * L, 16);
+        context->exp_state_trans = double_matrix_new_aligned(T, L * L, 32);
         if (context->exp_state_trans == NULL) goto exit_context_created;
         double_matrix_zero(context->exp_state_trans);
 #else
@@ -65,7 +65,7 @@ crf_context_t *crf_context_new(int flag, size_t L, size_t T) {
         if (context->mexp_state_trans == NULL) goto exit_context_created;
 
 #if defined(INTEL_SSE) || defined(ARM_NEON)
-        context->exp_trans = double_matrix_new_aligned(L, L, 16);
+        context->exp_trans = double_matrix_new_aligned(L, L, 32);
         if (context->exp_trans == NULL) goto exit_context_created;
         double_matrix_zero(context->exp_trans);
 #else
@@ -131,13 +131,13 @@ bool crf_context_set_num_items(crf_context_t *self, size_t T) {
     if (self->flag & CRF_CONTEXT_MARGINALS &&
         (
 #if defined(INTEL_SSE) || defined(ARM_NEON)
-            !double_matrix_resize_aligned(self->exp_state, T, L, 16) ||
+            !double_matrix_resize_aligned(self->exp_state, T, L, 32) ||
 #else
             !double_matrix_resize(self->exp_state, T, L) ||
 #endif
             !double_matrix_resize(self->mexp_state, T, L) ||
 #if defined(INTEL_SSE) || defined(ARM_NEON)
-            !double_matrix_resize_aligned(self->exp_state_trans, T, L * L, 16) ||
+            !double_matrix_resize_aligned(self->exp_state_trans, T, L * L, 32) ||
 #else
             !double_matrix_resize(self->exp_state_trans, T, L * L) ||            
 #endif