diff --git a/liquidprompt b/liquidprompt
index f556eb4..9b0e554 100755
--- a/liquidprompt
+++ b/liquidprompt
@@ -50,7 +50,7 @@
 # See the README.md file for a summary of features.
 
 # Issue #161: do not load if not an interactive shell
-test -z "$TERM" -o "x$TERM" = dumb && return
+test -z "$TERM" -o "x$TERM" = xdumb && return
 
 _LP_SHELL_bash_42=false