diff --git a/hypo b/hypo
index 85bcf49..77c6d17 100755
--- a/hypo
+++ b/hypo
@@ -54,7 +54,7 @@ function cmd_send
 
     curl --upload-file "$sendfile" "$URL/"
 
-    if [[ -t 0 ]]; then
+    if [[ ! -t 0 ]]; then
         rm "$sendfile"
     fi
 }