diff --git a/services/capture/decklink-bridge/main.cpp b/services/capture/decklink-bridge/main.cpp
index fa81867..c25d9e3 100644
--- a/services/capture/decklink-bridge/main.cpp
+++ b/services/capture/decklink-bridge/main.cpp
@@ -107,6 +107,10 @@ struct DeviceState {
     int      height   = 0;
     int      fps_num  = 0;
     int      fps_den  = 1;
+    int      last_width  = 0;
+    int      last_height = 0;
+    int      last_fps_num = 0;
+    int      last_fps_den = 1;
     bool     interlaced = false;
     std::atomic<bool> signal_reported{false};
 
@@ -362,16 +366,17 @@ private:
         pthread_mutex_lock(&m_ds->fc_lock);
         
         // If already open with same format, do nothing.
+        if (m_ds->fc_writer && 
+            m_ds->width == m_ds->last_width &&
+            m_ds->height == m_ds->last_height &&
+            m_ds->fps_num == m_ds->last_fps_num &&
+            m_ds->fps_den == m_ds->last_fps_den) 
+        {
+            pthread_mutex_unlock(&m_ds->fc_lock);
+            return;
+        }
+
         if (m_ds->fc_writer) {
-            fc_hdr_t *h = (fc_hdr_t *)m_ds->fc_writer->base;
-            if (h->width == (uint32_t)m_ds->width && 
-                h->height == (uint32_t)m_ds->height &&
-                h->fps_num == (uint32_t)m_ds->fps_num &&
-                h->fps_den == (uint32_t)m_ds->fps_den) 
-            {
-                pthread_mutex_unlock(&m_ds->fc_lock);
-                return;
-            }
             fc_writer_close(m_ds->fc_writer);
             m_ds->fc_writer = nullptr;
         }
@@ -382,7 +387,12 @@ private:
                 m_ds->slot_id.c_str(),
                 (uint32_t)m_ds->width, (uint32_t)m_ds->height,
                 (uint32_t)m_ds->fps_num, (uint32_t)m_ds->fps_den);
-            if (!m_ds->fc_writer) {
+            if (m_ds->fc_writer) {
+                m_ds->last_width = m_ds->width;
+                m_ds->last_height = m_ds->height;
+                m_ds->last_fps_num = m_ds->fps_num;
+                m_ds->last_fps_den = m_ds->fps_den;
+            } else {
                 fprintf(stderr, "[decklink:%d] framecache unavailable\n",
                         m_ds->device_idx);
             }