diff --git a/driver/cam_hal.c b/driver/cam_hal.c
index b65cdac8d0..147af5a872 100644
--- a/driver/cam_hal.c
+++ b/driver/cam_hal.c
@@ -489,6 +489,10 @@ static esp_err_t cam_dma_config(const camera_config_t *config)
     } else {
         _caps |= MALLOC_CAP_SPIRAM;
     }
+    size_t fb_align = dcache_line_size();
+    if (fb_align == 0) {
+        fb_align = 32;
+    }
     for (int x = 0; x < cam_obj->frame_cnt; x++) {
         cam_obj->frames[x].dma = NULL;
         cam_obj->frames[x].fb_offset = 0;
@@ -497,7 +501,7 @@ static esp_err_t cam_dma_config(const camera_config_t *config)
 #if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(4, 3, 0)
         // In IDF v4.2 and earlier, memory returned by heap_caps_aligned_alloc must be freed using heap_caps_aligned_free.
         // And heap_caps_aligned_free is deprecated on v4.3.
-        cam_obj->frames[x].fb.buf = (uint8_t *)heap_caps_aligned_alloc(16, alloc_size, _caps);
+        cam_obj->frames[x].fb.buf = (uint8_t *)heap_caps_aligned_alloc(fb_align, alloc_size, _caps);
 #else
         cam_obj->frames[x].fb.buf = (uint8_t *)heap_caps_malloc(alloc_size, _caps);
 #endif