diff --git a/src/scan-wma.c b/src/scan-wma.c
index e5c19674..4890222c 100644
--- a/src/scan-wma.c
+++ b/src/scan-wma.c
@@ -387,7 +387,7 @@ int wma_parse_header_extension(int fd, int size, MP3FILE *pmp3) {
             }
         }
 
-        DPRINTF(E_DBG,L_SCAN,"  Size: %ld\n",sh.size);
+        DPRINTF(E_DBG,L_SCAN,"  Size: %lld\n",sh.size);
         if(sh.size <= sizeof(sh))
             return TRUE; /* guess we're done! */