diff --git a/Cargo.toml b/Cargo.toml
index 7cb14f50..56087707 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -471,10 +471,7 @@ wildcard_dependencies = "warn"
 or_fun_call = "warn"
 unnecessary_lazy_evaluations = "warn"
 # as_conversions = "warn"
-
-# seems to be broken
-#assertions_on_result_states = "warn"
-
+assertions_on_result_states = "warn"
 default_union_representation = "warn"
 deref_by_slicing = "warn"
 empty_drop = "warn"
diff --git a/src/service/rooms/spaces/mod.rs b/src/service/rooms/spaces/mod.rs
index 20a50d71..d68ed497 100644
--- a/src/service/rooms/spaces/mod.rs
+++ b/src/service/rooms/spaces/mod.rs
@@ -1098,7 +1098,7 @@ mod tests {
 	fn invalid_pagnation_tokens() {
 		fn token_is_err(token: &str) {
 			let token: Result<PagnationToken> = PagnationToken::from_str(token);
-			assert!(token.is_err());
+			token.unwrap_err();
 		}
 
 		token_is_err("231_2_noabool");