diff --git a/src/platform/camera/v4l2.cpp b/src/platform/camera/v4l2.cpp
index e9c32a35b..74f724be5 100644
--- a/src/platform/camera/v4l2.cpp
+++ b/src/platform/camera/v4l2.cpp
@@ -177,6 +177,7 @@ QVector<VideoMode> v4l2::getDeviceModes(QString devName)
         }
     }
 
+    close(fd);
     return modes;
 }