diff --git a/lib/msxbuild.mk b/lib/msxbuild.mk
index c580a1b..40f4613 100644
--- a/lib/msxbuild.mk
+++ b/lib/msxbuild.mk
@@ -12,7 +12,7 @@ MAKEFLAGS += --warn-undefined-variables
 .SHELLFLAGS := -e -u -o pipefail -c
 SHELL := bash
 ifeq ($(origin .RECIPEPREFIX), undefined)
-	$(error This version of make does not support dynamic white space brain fuck mode.)
+$(error This version of make does not support dynamic white space brain fuck mode.)
 endif
 
 # Set some root variable to use in this library