diff --git a/extra/json-c/build b/extra/json-c/build
index c0e6c5e7..6daf22f8 100755
--- a/extra/json-c/build
+++ b/extra/json-c/build
@@ -1,6 +1,5 @@
 #!/bin/sh -e
 
-
 ./configure \
     --prefix=/usr
 
diff --git a/extra/json-c/depends b/extra/json-c/depends
new file mode 100644
index 00000000..cf0a2427
--- /dev/null
+++ b/extra/json-c/depends
@@ -0,0 +1 @@
+automake