diff --git a/plugins/plugin_ngcft1.cpp b/plugins/plugin_ngcft1.cpp
index cb0cffe..b5df2c3 100644
--- a/plugins/plugin_ngcft1.cpp
+++ b/plugins/plugin_ngcft1.cpp
@@ -1,5 +1,7 @@
 #include <solanaceae/plugin/solana_plugin_v1.h>
 
+#include <solanaceae/contact/contact_store_i.hpp>
+
 #include <solanaceae/ngc_ext/ngcext.hpp>
 #include <solanaceae/ngc_ft1/ngcft1.hpp>
 #include <solanaceae/ngc_ft1_sha1/sha1_ngcft1.hpp>
diff --git a/plugins/plugin_ngchs2.cpp b/plugins/plugin_ngchs2.cpp
index df31967..bdbae49 100644
--- a/plugins/plugin_ngchs2.cpp
+++ b/plugins/plugin_ngchs2.cpp
@@ -1,5 +1,6 @@
 #include <solanaceae/plugin/solana_plugin_v1.h>
 
+#include <solanaceae/contact/contact_store_i.hpp>
 #include <solanaceae/tox_contacts/tox_contact_model2.hpp>
 
 #include <solanaceae/ngc_ft1/ngcft1.hpp>