diff --git a/PriceIsRight/foundry.toml b/PriceIsRight/foundry.toml
index e6810b2b..ab1aee2e 100644
--- a/PriceIsRight/foundry.toml
+++ b/PriceIsRight/foundry.toml
@@ -2,5 +2,6 @@
 src = 'src'
 out = 'out'
 libs = ['lib']
+allow_internal_expect_revert = true
 
-# See more config options https://github.com/foundry-rs/foundry/tree/master/config
\ No newline at end of file
+# See more config options https://github.com/foundry-rs/foundry/tree/master/config