diff --git a/generator/cper-generate.h b/generator/cper-generate.h
index 2874fa5..edbac36 100644
--- a/generator/cper-generate.h
+++ b/generator/cper-generate.h
@@ -4,7 +4,7 @@
 #include <stdio.h>
 #include "../edk/BaseTypes.h"
 
-void generate_cper_record(char **types, UINT16 num_sections, FILE *cper_file);
+void generate_cper_record(char **types, UINT16 num_sections, FILE *out);
 void generate_single_section_record(char *type, FILE *out);
 
-#endif
\ No newline at end of file
+#endif