diff --git a/data/phet-io-state-unsupported b/data/phet-io-state-unsupported
index d101b2dd..11927e02 100644
--- a/data/phet-io-state-unsupported
+++ b/data/phet-io-state-unsupported
@@ -2,4 +2,5 @@ arithmetic
 balancing-act
 bending-light
 energy-skate-park
-energy-skate-park-basics
\ No newline at end of file
+energy-skate-park-basics
+fourier-making-waves
\ No newline at end of file