diff --git a/functions/gitc.fish b/functions/gitc.fish
new file mode 100644
index 0000000..dc578b2
--- /dev/null
+++ b/functions/gitc.fish
@@ -0,0 +1,3 @@
+function gitc --description 'git commit with signing'
+    command git commit -S -m "$argv"
+end