diff --git a/.gitmodules b/.gitmodules
index f1cc4cf..b35d845 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -43,6 +43,6 @@
 	branch = master
 [submodule "vendor/nim-ffi"]
 	path = vendor/nim-ffi
-	url = https://github.com/logos-messaging/nim-ffi/
+	url = https://github.com/logos-messaging/nim-ffi.git
 	ignore = untracked
 	branch = master
diff --git a/vendor/nim-ffi b/vendor/nim-ffi
new file mode 160000
index 0000000..06111de
--- /dev/null
+++ b/vendor/nim-ffi
@@ -0,0 +1 @@
+Subproject commit 06111de155253b34e47ed2aaed1d61d08d62cc1b