[shellcheck] disable additional `-x` warning from v0.7.2
diff --git a/nvm-exec b/nvm-exec
index c47cd06..d4f37df 100755
--- a/nvm-exec
+++ b/nvm-exec
@@ -2,7 +2,7 @@
 
 DIR="$(command cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 
-# shellcheck disable=SC1090
+# shellcheck disable=SC1090,SC1091
 \. "$DIR/nvm.sh" --no-use
 
 if [ -n "$NODE_VERSION" ]; then