diff --git a/src/olympic/studio/modlib/include/studio/project.hpp b/src/olympic/studio/modlib/include/studio/project.hpp
index cd64574a..2b2d9f34 100644
--- a/src/olympic/studio/modlib/include/studio/project.hpp
+++ b/src/olympic/studio/modlib/include/studio/project.hpp
@@ -64,7 +64,7 @@ class Project {
 		ox::String const&projectPath() const noexcept;
 
 		[[nodiscard]]
-		ox::FileSystem *romFs() noexcept;
+		ox::FileSystem &romFs() noexcept;
 
 		ox::Error mkdir(ox::CRStringView path) const noexcept;
 
diff --git a/src/olympic/studio/modlib/src/project.cpp b/src/olympic/studio/modlib/src/project.cpp
index 3381694f..02b19acc 100644
--- a/src/olympic/studio/modlib/src/project.cpp
+++ b/src/olympic/studio/modlib/src/project.cpp
@@ -51,8 +51,8 @@ ox::String const&Project::projectPath() const noexcept {
 	return m_path;
 }
 
-ox::FileSystem *Project::romFs() noexcept {
-	return &m_fs;
+ox::FileSystem &Project::romFs() noexcept {
+	return m_fs;
 }
 
 ox::Error Project::mkdir(ox::CRStringView path) const noexcept {