diff --git a/polymer/eduke32/source/jaudiolib/src/vorbis.c b/polymer/eduke32/source/jaudiolib/src/vorbis.c
index d530c96c7..ef9b64e2e 100644
--- a/polymer/eduke32/source/jaudiolib/src/vorbis.c
+++ b/polymer/eduke32/source/jaudiolib/src/vorbis.c
@@ -79,6 +79,9 @@ static void MV_GetVorbisCommentLoops(VoiceNode *voice, vorbis_comment *vc)
         if (entry != NULL && entry[0] != '\0')
         {
             const char *value = strchr(entry,'=');
+
+            if (!value) continue;
+
             const size_t field = value-entry;
             value += 1;