diff --git a/plugins/gitfast/_git b/plugins/gitfast/_git
index 46d10d6f9..6ca63ed87 100644
--- a/plugins/gitfast/_git
+++ b/plugins/gitfast/_git
@@ -275,6 +275,8 @@ _git ()
 		emulate ksh -c __${service}_main
 	elif (( $+functions[_${service}] )); then
 		emulate ksh -c _${service}
+	elif ((	$+functions[_${service//-/_}] )); then
+		emulate ksh -c _${service//-/_}
 	fi
 
 	let _ret && _default && _ret=0