diff --git a/srcpkgs/uboot-mkimage/template b/srcpkgs/uboot-mkimage/template
index cc7a2984ea6..3ffd3de3902 100644
--- a/srcpkgs/uboot-mkimage/template
+++ b/srcpkgs/uboot-mkimage/template
@@ -11,7 +11,7 @@ distfiles="ftp://ftp.denx.de/pub/u-boot/u-boot-${version}.tar.bz2"
 checksum=cdaf8c81583abfa2e73da46cfcf87b0cbd9741d9aa766f3b905376e3652d543d
 
 do_configure() {
-	sed -i 's,ulong,unsigned long,g' include/image.h
+	sed -i 's,ulong,unsigned long,g' include/image.h tools/mkimage.h
 }
 do_build() {
 	if [ -n "$XBPS_CROSS_TRIPLET" ]; then