diff --git a/source/functions.sh b/source/functions.sh
index f4800ba..ec67538 100644
--- a/source/functions.sh
+++ b/source/functions.sh
@@ -10,6 +10,7 @@ function cdf() { # short for `cdfinder`
 
 # Build the most recently modified .tex file in the current directory
 function xe() {
+	\ls -t *.tex 2> /dev/null || echo "No .tex files found in current directory." && return
 	xelatex $(\ls -t *.tex | head -n1)
 }