diff --git a/libavfilter/asrc_flite.c b/libavfilter/asrc_flite.c
index 3e543a3ab6..71924e7e1a 100644
--- a/libavfilter/asrc_flite.c
+++ b/libavfilter/asrc_flite.c
@@ -196,10 +196,12 @@ static av_cold void uninit(AVFilterContext *ctx)
 {
     FliteContext *flite = ctx->priv;
 
-    if (!--flite->voice_entry->usage_count)
-        flite->voice_entry->unregister_fn(flite->voice);
-    flite->voice = NULL;
-    flite->voice_entry = NULL;
+    if (flite->voice_entry) {
+        if (!--flite->voice_entry->usage_count)
+            flite->voice_entry->unregister_fn(flite->voice);
+        flite->voice = NULL;
+        flite->voice_entry = NULL;
+    }
     delete_wave(flite->wave);
     flite->wave = NULL;
 }