diff --git a/scripts/format-code.sh b/scripts/format-code.sh
index 4554c85..c988ea8 100755
--- a/scripts/format-code.sh
+++ b/scripts/format-code.sh
@@ -200,6 +200,7 @@
         *.json) echo "json" && return ;;
         *.md) echo "markdown" && return ;;
         *.py) echo "python" && return ;;
+        *.tcl) echo "tcl" && return ;;
         *.yaml | *.yml) echo "yaml" && return ;;
 
             # Special files.