diff --git a/contrib/extract-handshakes/Makefile b/contrib/extract-handshakes/Makefile
index 36e951e..77b42f1 100644
--- a/contrib/extract-handshakes/Makefile
+++ b/contrib/extract-handshakes/Makefile
@@ -24,5 +24,6 @@ offset-finder-m := offset-finder.o
 oldsrc := $(src)
 src := $(src)/../../../src
 include $(src)/compat/Kbuild.include
+include $(src)/crypto/Kbuild.include
 src := $(oldsrc)
 endif
diff --git a/contrib/extract-keys/Makefile b/contrib/extract-keys/Makefile
index 8f5901a..1f7308d 100644
--- a/contrib/extract-keys/Makefile
+++ b/contrib/extract-keys/Makefile
@@ -27,5 +27,6 @@ config-m := config.o
 oldsrc := $(src)
 src := $(src)/../../../src
 include $(src)/compat/Kbuild.include
+include $(src)/crypto/Kbuild.include
 src := $(oldsrc)
 endif