diff --git a/libavfilter/vf_drawtext.c b/libavfilter/vf_drawtext.c
index 382d589e26..c4c09894e4 100644
--- a/libavfilter/vf_drawtext.c
+++ b/libavfilter/vf_drawtext.c
@@ -1554,7 +1554,7 @@ static int filter_frame(AVFilterLink *inlink, AVFrame *frame)
     AVFrameSideData *sd;
     int loop = 1;
 
-    if (s->text_source == AV_FRAME_DATA_DETECTION_BBOXES && sd) {
+    if (s->text_source == AV_FRAME_DATA_DETECTION_BBOXES) {
         sd = av_frame_get_side_data(frame, AV_FRAME_DATA_DETECTION_BBOXES);
         if (sd) {
             header = (AVDetectionBBoxHeader *)sd->data;