diff --git a/src/samplesrc/sfm.pla b/src/samplesrc/sfm.pla
index d719530..b0a5d2b 100644
--- a/src/samplesrc/sfm.pla
+++ b/src/samplesrc/sfm.pla
@@ -566,9 +566,10 @@ sprtDummy  = spriteRead("DUMMY")
 //
 // Heat up JIT compiler
 //
-spriteAdd(0, sprtDummy)
 for curstar = 0 to 50
   putc('.')
+  spriteAdd(0, sprtDummy)
+  spritePosIndex(0, 0, 0)
   spriteDrawXorList()
 next
 hgrMode