diff --git a/hw/dmx/config/dmxcompat.c b/hw/dmx/config/dmxcompat.c
index bd9f12738..107991a96 100644
--- a/hw/dmx/config/dmxcompat.c
+++ b/hw/dmx/config/dmxcompat.c
@@ -228,5 +228,9 @@ dmxVDLRead(const char *filename)
             break;
         }
     }
+
+    if (str != stdin)
+        fclose(str);
+
     return entry;
 }