diff --git a/src/resourcefiles/file_directory.cpp b/src/resourcefiles/file_directory.cpp
index 1f2d63d183..54cb1e7a6a 100644
--- a/src/resourcefiles/file_directory.cpp
+++ b/src/resourcefiles/file_directory.cpp
@@ -195,7 +195,7 @@ int FDirectory::AddDirectory(const char *dirpath)
 		return 0;
 	}
 
-	const size_t namepos = strlen(Filename);
+	const size_t namepos = strlen(FileName);
 	FString pathfix;
 
 	while ((ent = fts_read(fts)) != NULL)
diff --git a/src/sc_man.h b/src/sc_man.h
index 57ab6ec52e..c76fb724f7 100644
--- a/src/sc_man.h
+++ b/src/sc_man.h
@@ -21,7 +21,7 @@ public:
 	void Open(const char *lumpname);
 	bool OpenFile(const char *filename);
 	void OpenMem(const char *name, const char *buffer, int size);
-	void OpenMem(const char *name, TArray<uint8_t> &buffer)
+	void OpenMem(const char *name, const TArray<uint8_t> &buffer)
 	{
 		OpenMem(name, (const char*)buffer.Data(), buffer.Size());
 	}