diff --git a/twine-upload.sh b/twine-upload.sh
index 2aef181..38280fc 100755
--- a/twine-upload.sh
+++ b/twine-upload.sh
@@ -40,7 +40,7 @@ if [[ ${INPUT_SKIP_EXISTING,,} != "false" ]] ; then
     TWINE_EXTRA_ARGS=--skip-existing
 fi
 
-if [[ ${VERBOSE,,} != "false" ]] ; then
+if [[ ${INPUT_VERBOSE,,} != "false" ]] ; then
     TWINE_EXTRA_ARGS="--verbose $TWINE_EXTRA_ARGS"
 fi