diff --git a/entrypoint.sh b/entrypoint.sh
index 4653706..4e6bec2 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -2,7 +2,7 @@
 
 set -euo pipefail
 
-if [ -n "${INPUT_DEBUG}" ]; then
+if [ "${INPUT_DEBUG,,}" == "true" ]; then
     set -x
 fi
 
@@ -12,7 +12,7 @@ RUN_COMMAND=()
 
 env | grep -v -E "^(#|;| |PATH|SHLVL|HOSTNAME|DOCKER_*)" | awk '$1 ~ /^\w+=/' | xargs -0 > "/docker-run-action.env"
 
-if [ -n "${INPUT_DEBUG}" ]; then
+if [ "${INPUT_DEBUG,,}" == "true" ]; then
     cat "/docker-run-action.env"
 fi