diff --git a/Makefile.inc1 b/Makefile.inc1
index 1bf174419da0..4527c22208c5 100644
--- a/Makefile.inc1
+++ b/Makefile.inc1
@@ -2287,6 +2287,14 @@ _bootstrap_tools_links+=kbdcontrol
 .endif
 .endif
 
+# 1300102: VHDX support
+.if ${BOOTSTRAPPING} < 1201520 || \
+	(${BOOTSTRAPPING} > 1300000 && ${BOOTSTRAPPING} < 1300102)
+_mkimg=	usr.bin/mkimg
+.else
+_bootstrap_tools_links+=mkimg
+.endif
+
 _yacc=		usr.bin/yacc
 
 .if ${MK_BSNMP} != "no"
@@ -2462,6 +2470,7 @@ bootstrap-tools: ${_bt}-links .PHONY
     ${_flua} \
     ${_crunchide} \
     ${_crunchgen} \
+    ${_mkimg} \
     ${_nmtree} \
     ${_vtfontcvt} \
     ${_localedef} \