diff --git a/scripts/lnx/osiris_common.h b/scripts/lnx/osiris_common.h
index f10be4db..49250e03 100644
--- a/scripts/lnx/osiris_common.h
+++ b/scripts/lnx/osiris_common.h
@@ -931,7 +931,7 @@ typedef unsigned char ubyte;
 typedef signed char sbyte;
 typedef unsigned short ushort;
 typedef unsigned int uint;
-typedef unsigned int ulong;
+typedef unsigned long ulong;
 typedef unsigned int ddgr_color;
 
 #ifndef NULL
diff --git a/scripts/osiris_common.h b/scripts/osiris_common.h
index 441da349..f951693d 100644
--- a/scripts/osiris_common.h
+++ b/scripts/osiris_common.h
@@ -932,7 +932,7 @@ typedef unsigned char ubyte;
 typedef signed char sbyte;
 typedef unsigned short ushort;
 typedef unsigned int uint;
-typedef unsigned int ulong;
+typedef unsigned long ulong;
 typedef unsigned int ddgr_color;
 
 #ifndef NULL