diff --git a/libavdevice/decklink_common_c.h b/libavdevice/decklink_common_c.h
index ac6563a317..18097e2d5f 100644
--- a/libavdevice/decklink_common_c.h
+++ b/libavdevice/decklink_common_c.h
@@ -28,6 +28,7 @@ typedef enum DecklinkPtsSource {
     PTS_SRC_VIDEO     = 2,
     PTS_SRC_REFERENCE = 3,
     PTS_SRC_WALLCLOCK = 4,
+    PTS_SRC_NB
 } DecklinkPtsSource;
 
 struct decklink_cctx {
diff --git a/libavdevice/decklink_dec_c.c b/libavdevice/decklink_dec_c.c
index f65b177276..accae53050 100644
--- a/libavdevice/decklink_dec_c.c
+++ b/libavdevice/decklink_dec_c.c
@@ -64,8 +64,8 @@ static const AVOption options[] = {
     { "analog_xlr",    NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 4}, 0, 0,    DEC, "audio_input"},
     { "analog_rca",    NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 5}, 0, 0,    DEC, "audio_input"},
     { "microphone",    NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = 6}, 0, 0,    DEC, "audio_input"},
-    { "audio_pts",     "audio pts source",   OFFSET(audio_pts_source),    AV_OPT_TYPE_INT,   { .i64 = PTS_SRC_AUDIO    }, 1, 4, DEC, "pts_source"},
-    { "video_pts",     "video pts source",   OFFSET(video_pts_source),    AV_OPT_TYPE_INT,   { .i64 = PTS_SRC_VIDEO    }, 1, 4, DEC, "pts_source"},
+    { "audio_pts",     "audio pts source",   OFFSET(audio_pts_source),    AV_OPT_TYPE_INT,   { .i64 = PTS_SRC_AUDIO    }, 1, PTS_SRC_NB-1, DEC, "pts_source"},
+    { "video_pts",     "video pts source",   OFFSET(video_pts_source),    AV_OPT_TYPE_INT,   { .i64 = PTS_SRC_VIDEO    }, 1, PTS_SRC_NB-1, DEC, "pts_source"},
     { "audio",         NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = PTS_SRC_AUDIO    }, 0, 0, DEC, "pts_source"},
     { "video",         NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = PTS_SRC_VIDEO    }, 0, 0, DEC, "pts_source"},
     { "reference",     NULL,                                          0,  AV_OPT_TYPE_CONST, { .i64 = PTS_SRC_REFERENCE}, 0, 0, DEC, "pts_source"},