diff --git a/vpp-api-test/Makefile.am b/vpp-api-test/Makefile.am
index d59c7e2..27466fa 100644
--- a/vpp-api-test/Makefile.am
+++ b/vpp-api-test/Makefile.am
@@ -13,7 +13,7 @@
 
 AUTOMAKE_OPTIONS = foreign subdir-objects
 
-AM_CFLAGS = -Wall @Q_PLATFORM_DEFINE@ @Q_PLATFORM_PLUGPATH@ @DPDK@
+AM_CFLAGS = -Wall @Q_PLATFORM_DEFINE@ @Q_PLATFORM_PLUGPATH@ @DPDK@ @DPDK_CRYPTO@
 
 libvatplugin_la_SOURCES = \
   vat/plugin_api.c