diff --git a/polymer/eduke32/source/jaudiolib/src/xa.c b/polymer/eduke32/source/jaudiolib/src/xa.c
index 08d1c36b9..c2882f7a0 100644
--- a/polymer/eduke32/source/jaudiolib/src/xa.c
+++ b/polymer/eduke32/source/jaudiolib/src/xa.c
@@ -296,7 +296,7 @@ void MV_SetXAPosition(VoiceNode *voice, int32_t position)
 {
     xa_data * xad = (xa_data *) voice->extra;
 
-    if (position < XA_DATA_START || position >= xad->length)
+    if (position < XA_DATA_START || (size_t)position >= xad->length)
         position = XA_DATA_START;
 
     xad->pos = position;