diff --git a/test/main.c b/test/main.c
index d249ebe..0ee9247 100644
--- a/test/main.c
+++ b/test/main.c
@@ -131,7 +131,7 @@ void unpacktextures(const char *filedata,
     unsigned int i;
     for (i = 0; i < texturecount; i++) {
         texsize = descripts[i/(tp -> batchNumber)] -> textureSize;
-        sprintf(fmt, "test_%d.dds", i);
+        sprintf(fmt, "%s_%d.dds", filename, i);
         write(fmt, i, filedata + tloc[i], texsize);
     }
     free(fmt);