diff --git a/bin/video2gif b/bin/video2gif
index 8e817ff..053f1a1 100755
--- a/bin/video2gif
+++ b/bin/video2gif
@@ -5,7 +5,7 @@ if [ $# -ne 3 ]; then
     exit 1
 fi
 
-if [ ! -f $1 ]; then
+if [ ! -f "$1" ]; then
     echo -e "\033[31;1merror:\033[0m couldn't open $1: no such file."
     exit
 fi