diff --git a/.bashrc b/.bashrc
index 3be8590..81e91fe 100644
--- a/.bashrc
+++ b/.bashrc
@@ -146,5 +146,7 @@ unset rc
 if [ -f "$HOME/.cargo/env" ]; then
     . "$HOME/.cargo/env"
 fi
-GPG_TTY=$(tty)
-export GPG_TTY
+if [ -t 0 ]; then
+        GPG_TTY=$(tty)
+        export GPG_TTY
+fi;