Index: src/uk/me/parabola/mkgmap/combiners/FileInfo.java
===================================================================
--- src/uk/me/parabola/mkgmap/combiners/FileInfo.java	(revision 4909)
+++ src/uk/me/parabola/mkgmap/combiners/FileInfo.java	(working copy)
@@ -355,7 +355,8 @@
 	}
 
 	protected void setKind(FileKind kind) {
-		this.kind = kind;
+		if (this.kind != GMAPSUPP_KIND)
+			this.kind = kind;
 	}
 
 	public FileKind getKind() {
