diff --git a/src/core/file_sys/partition_filesystem.h b/src/core/file_sys/partition_filesystem.h
index 7c7a75816..be7bc32a8 100644
--- a/src/core/file_sys/partition_filesystem.h
+++ b/src/core/file_sys/partition_filesystem.h
@@ -13,7 +13,7 @@
 #include "core/file_sys/vfs.h"
 
 namespace Loader {
-enum class ResultStatus;
+enum class ResultStatus : u16;
 }
 
 namespace FileSys {
diff --git a/src/core/file_sys/program_metadata.h b/src/core/file_sys/program_metadata.h
index 06a7315db..74a91052b 100644
--- a/src/core/file_sys/program_metadata.h
+++ b/src/core/file_sys/program_metadata.h
@@ -13,7 +13,7 @@
 #include "partition_filesystem.h"
 
 namespace Loader {
-enum class ResultStatus;
+enum class ResultStatus : u16;
 }
 
 namespace FileSys {
diff --git a/src/core/loader/loader.h b/src/core/loader/loader.h
index cfdadbee3..285363549 100644
--- a/src/core/loader/loader.h
+++ b/src/core/loader/loader.h
@@ -56,7 +56,7 @@ FileType GuessFromFilename(const std::string& name);
 std::string GetFileTypeString(FileType type);
 
 /// Return type for functions in Loader namespace
-enum class ResultStatus {
+enum class ResultStatus : u16 {
     Success,
     ErrorAlreadyLoaded,
     ErrorNotImplemented,