diff --git a/demux/mf.c b/demux/mf.c
index daeb6baa79..98fab6edc4 100644
--- a/demux/mf.c
+++ b/demux/mf.c
@@ -50,7 +50,7 @@ mf_t* open_mf_pattern(char * filename)
 #if defined(HAVE_GLOB) || defined(__MINGW32__)
  glob_t        gg;
  int           i;
- char        * fname;
+ char        * fname = NULL;
  mf_t        * mf;
  int           error_count = 0;
  int	       count = 0;
diff --git a/sub/sub.c b/sub/sub.c
index fcfbca6954..2f51b7a8a5 100644
--- a/sub/sub.c
+++ b/sub/sub.c
@@ -53,7 +53,7 @@ float sub_fps = 0;
 void *vo_spudec=NULL;
 void *vo_vobsub=NULL;
 
-static const const struct osd_style_opts osd_style_opts_def = {
+static const struct osd_style_opts osd_style_opts_def = {
     .font = "Sans",
     .font_size = 45,
     .color = {255, 255, 255, 255},
diff --git a/video/img_format.c b/video/img_format.c
index dfee130090..dfb82d2081 100644
--- a/video/img_format.c
+++ b/video/img_format.c
@@ -161,7 +161,7 @@ static struct mp_imgfmt_desc get_avutil_fmt(enum PixelFormat fmt)
     struct mp_imgfmt_desc desc = {
         .id = mpfmt,
         .avformat = fmt,
-        .name = mp_imgfmt_to_name(desc.id),
+        .name = mp_imgfmt_to_name(mpfmt),
         .chroma_xs = pd->log2_chroma_w,
         .chroma_ys = pd->log2_chroma_h,
     };