diff --git a/build/top.mk b/build/top.mk
index f1b1763de4..46d81b7322 100644
--- a/build/top.mk
+++ b/build/top.mk
@@ -39,7 +39,7 @@ AR = ar
 
 LINT = lint
 5LINT = 5lint
-MKDEP = mkdep
+MKDEP = $(top_srcdir)/build/mkdep
 
 # Misc UNIX commands used in makefiles
 SED = sed