diff --git a/hdsploader/hdsploader.c b/hdsploader/hdsploader.c
index fa488a2..bfbe3bc 100644
--- a/hdsploader/hdsploader.c
+++ b/hdsploader/hdsploader.c
@@ -27,6 +27,10 @@
 
 static u_int32_t code[24413];
 
+#ifndef RPM
+# define RPM	5
+#endif
+
 int read_bin_file(u_int32_t *array, const char *filename)
 {
 	FILE *out;