diff --git a/bash/bashrc.d/prompt_command.bash b/bash/bashrc.d/prompt_command.bash
index 409e1d4..cc1a4ee 100644
--- a/bash/bashrc.d/prompt_command.bash
+++ b/bash/bashrc.d/prompt_command.bash
@@ -78,6 +78,8 @@ function __PS1_hostname() {
 	if [ -n "${NOMATCH}" ]; then
 		if [ x$(type -t "$func_extension") = xfunction ]; then
 			NOMATCH=$($func_extension "$@")
+		else
+			NOMATCH=""
 		fi
 
 		# extended colouring