diff --git a/src/gscam.cpp b/src/gscam.cpp
index d0c6cc9..9e91bc4 100644
--- a/src/gscam.cpp
+++ b/src/gscam.cpp
@@ -391,8 +391,10 @@ namespace gscam {
 #if (GST_VERSION_MAJOR == 1)
         gst_memory_unmap(memory, &info);
         gst_memory_unref(memory);
-#endif
+        gst_sample_unref(sample);
+#else
         gst_buffer_unref(buf);
+#endif
       }
 
       ros::spinOnce();