diff --git a/tools/check b/tools/check
index 954c43ca39fad98c3d76259f192724716427438c..d0e8545e896f07d55c08886f86333e133f727cdd 100755
--- a/tools/check
+++ b/tools/check
@@ -1,5 +1,8 @@
 #!/usr/bin/env bash
 #  check: Ensure that proper formatting has been used.
 
+# Ensure we run from the lesson directory
+cd "$( dirname "${BASH_SOURCE[0]}" )" && cd ..
+
 # Show all of the FIXMEs in the lessons content
 grep -i -n FIXME ??-*.md