diff --git a/src/test/ui/existential-type/issue-58887.rs b/src/test/ui/existential_types/issue-58887.rs
similarity index 100%
rename from src/test/ui/existential-type/issue-58887.rs
rename to src/test/ui/existential_types/issue-58887.rs
diff --git a/src/test/ui/existential-type/issue-58887.stderr b/src/test/ui/existential_types/issue-58887.stderr
similarity index 100%
rename from src/test/ui/existential-type/issue-58887.stderr
rename to src/test/ui/existential_types/issue-58887.stderr
diff --git a/src/test/ui/existential-type/issue-60371.rs b/src/test/ui/existential_types/issue-60371.rs
similarity index 100%
rename from src/test/ui/existential-type/issue-60371.rs
rename to src/test/ui/existential_types/issue-60371.rs
diff --git a/src/test/ui/existential-type/issue-60371.stderr b/src/test/ui/existential_types/issue-60371.stderr
similarity index 100%
rename from src/test/ui/existential-type/issue-60371.stderr
rename to src/test/ui/existential_types/issue-60371.stderr