diff --git a/entrypoint.sh b/entrypoint.sh
index a6bffe8..21df8dc 100755
--- a/entrypoint.sh
+++ b/entrypoint.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e
 
-OUTPUT=$(eval $INPUT_CMD)
+OUTPUT=$(eval "$INPUT_CMD")
 
 # Multiline string handling, per Github Community recommendation:
 # https://github.community/t/set-output-truncates-multiline-strings/16852/3