diff --git a/modules/videoio/src/cap_ffmpeg_impl.hpp b/modules/videoio/src/cap_ffmpeg_impl.hpp
index f95c5e849..2615f3a49 100644
--- a/modules/videoio/src/cap_ffmpeg_impl.hpp
+++ b/modules/videoio/src/cap_ffmpeg_impl.hpp
@@ -586,6 +586,7 @@ bool CvCapture_FFMPEG::open( const char* _filename )
     if (err < 0)
     {
         CV_WARN("Error opening file");
+        CV_WARN(_filename);
         goto exit_func;
     }
     err =
diff --git a/modules/videoio/src/cap_gstreamer.cpp b/modules/videoio/src/cap_gstreamer.cpp
index 62a18b5a7..4740126c0 100644
--- a/modules/videoio/src/cap_gstreamer.cpp
+++ b/modules/videoio/src/cap_gstreamer.cpp
@@ -601,6 +601,8 @@ bool CvCapture_GStreamer::open( int type, const char* filename )
             else
             {
                 CV_WARN("GStreamer: Error opening file\n");
+                CV_WARN(filename);
+                CV_WARN(uri);
                 close();
                 return false;
             }