diff --git a/crates/build-utils/src/converter.rs b/crates/build-utils/src/converter.rs
index 3ac3aa35..90ce7bcd 100644
--- a/crates/build-utils/src/converter.rs
+++ b/crates/build-utils/src/converter.rs
@@ -222,6 +222,7 @@ impl<'a> EfTests<'a> {
                 .replace('[', "__")
                 .replace(']', "")
                 .replace('-', "_minus_")
+                .replace(" ", "_")
                 .split(',')
                 .map(|part| part.trim())
                 .collect::<Vec<_>>()