diff --git a/ext/Makefile b/ext/Makefile
index f46b734fd..0d8cb9c33 100644
--- a/ext/Makefile
+++ b/ext/Makefile
@@ -50,7 +50,7 @@ examples/benchmarks/%-nassau-fixed: dummy
 
 
 examples/benchmarks/%: dummy
-	(head -n 1 $@ && bash -c "echo '' | cargo run --example $$(head -n 1 $@)") | diff --color $@ -
+	(head -n 1 $@ && timeout 30 bash -c "echo '' | cargo run --example $$(head -n 1 $@)" || echo "Timed out") | diff --color $@ -
 
 examples/benchmarks/%-nassau: dummy
 	(head -n 1 $@ && bash -c "echo '' | cargo run --features nassau --example $$(head -n 1 $@)") | diff --color $@ -