diff --git a/libisofs/hfsplus.c b/libisofs/hfsplus.c
index ca154f7..f34111c 100644
--- a/libisofs/hfsplus.c
+++ b/libisofs/hfsplus.c
@@ -1790,9 +1790,9 @@ int hfsplus_writer_create(Ecma119Image *target)
 
     if (target->hfsp_nnodes > (cat_node_size - 0x100) * 8)
       {
-	iso_msg_submit(target->image->id, ISO_MANGLE_TOO_MUCH_FILES, 0,
+	iso_msg_submit(target->image->id, ISO_HFSPLUS_TOO_MANY_FILES, 0,
 			"HFS+ map nodes aren't implemented");
-	ret = ISO_MANGLE_TOO_MUCH_FILES;
+	ret = ISO_HFSPLUS_TOO_MANY_FILES;
 	goto ex;
       }
 
diff --git a/libisofs/libisofs.h b/libisofs/libisofs.h
index 5046ba4..a20f047 100644
--- a/libisofs/libisofs.h
+++ b/libisofs/libisofs.h
@@ -9043,6 +9043,9 @@ int iso_conv_name_chars(IsoWriteOpts *opts, char *name, size_t name_len,
 /** El-Torito EFI image is hidden                         (NOTE,HIGH, -421) */
 #define ISO_ELTO_EFI_HIDDEN         0xB030FE5B
 
+/** Too many files in HFS+ directory tree             (FAILURE, HIGH, -422) */
+#define ISO_HFSPLUS_TOO_MANY_FILES  0xE830FE5A
+
 
 /* Internal developer note: 
    Place new error codes directly above this comment. 
diff --git a/libisofs/messages.c b/libisofs/messages.c
index 80b4fc7..45b341d 100644
--- a/libisofs/messages.c
+++ b/libisofs/messages.c
@@ -555,6 +555,8 @@ const char *iso_error_to_msg(int errcode)
         return "Multi-session would overwrite imported_iso interval";
     case ISO_ELTO_EFI_HIDDEN:
         return "El-Torito EFI image is hidden";
+    case ISO_HFSPLUS_TOO_MANY_FILES:
+        return "Too many files in HFS+ directory tree";
     default:
         return "Unknown error";
     }