diff --git a/crates/core/src/filter.rs b/crates/core/src/filter.rs
index ef48802..4474571 100644
--- a/crates/core/src/filter.rs
+++ b/crates/core/src/filter.rs
@@ -6,47 +6,55 @@ pub(crate) struct CopyFilter;
 
 impl CopyFilter {
     pub(crate) fn excludes(self, path: &Path) -> bool {
-        let parts = path
-            .components()
-            .filter_map(|component| match component {
-                Component::Normal(part) => Some(part),
-                _ => None,
-            })
-            .collect::<Vec<_>>();
+        let mut parts = path.components().filter_map(|component| match component {
+            Component::Normal(part) => Some(part),
+            _ => None,
+        });
 
-        parts.iter().any(|part| excludes_component(part))
-            || parts
-                .windows(2)
-                .any(|parts| matches_yarn_artifact(parts[0], parts[1]))
+        let first = match parts.next() {
+            Some(p) => p,
+            None => return false,
+        };
+
+        if excludes_component(first) {
+            return true;
+        }
+
+        let mut prev = first;
+        parts.any(|part| {
+            let result = excludes_component(part) || matches_yarn_artifact(prev, part);
+            prev = part;
+            result
+        })
     }
 }
 
 fn excludes_component(part: &OsStr) -> bool {
-    [
-        "node_modules",
-        ".pnpm-store",
-        "target",
-        ".venv",
-        "venv",
-        ".tox",
-        ".nox",
-        "__pycache__",
-        ".pytest_cache",
-        ".mypy_cache",
-        ".ruff_cache",
-        ".next",
-        ".nuxt",
-        ".svelte-kit",
-        ".turbo",
-        ".vite",
-        ".parcel-cache",
-        ".cache",
-        "dist",
-        "build",
-        "coverage",
-    ]
-    .into_iter()
-    .any(|excluded| part == excluded)
+    let Some(s) = part.to_str() else { return false };
+    matches!(
+        s,
+        "node_modules"
+            | "target"
+            | ".pnpm-store"
+            | ".venv"
+            | "venv"
+            | ".tox"
+            | ".nox"
+            | "__pycache__"
+            | ".pytest_cache"
+            | ".mypy_cache"
+            | ".ruff_cache"
+            | ".next"
+            | ".nuxt"
+            | ".svelte-kit"
+            | ".turbo"
+            | ".vite"
+            | ".parcel-cache"
+            | ".cache"
+            | "dist"
+            | "build"
+            | "coverage"
+    )
 }
 
 fn matches_yarn_artifact(first: &OsStr, second: &OsStr) -> bool {
diff --git a/crates/core/src/lib.rs b/crates/core/src/lib.rs
index e024b73..1c2b901 100644
--- a/crates/core/src/lib.rs
+++ b/crates/core/src/lib.rs
@@ -207,9 +207,6 @@ impl Manager {
             None => default_storage(&root.path)?,
         };
         let name = RiftName::from_optional(input.name)?;
-        if destination_parent.join(name.as_str()).starts_with(&from) {
-            return Err(Error::InsideSource(destination_parent.join(name.as_str())));
-        }
         fs::create_dir_all(&destination_parent)?;
         let destination_parent = fs::canonicalize(destination_parent)?;
         let destination = destination_parent.join(name.as_str());