diff --git a/install-php-extensions b/install-php-extensions
index b8742df..80267ca 100755
--- a/install-php-extensions
+++ b/install-php-extensions
@@ -119,7 +119,7 @@ processCommandArguments () {
 		if test $processCommandArguments_endArgs -eq 0; then
 			case "$1" in
 				--cleanup)
-					printf '### WARNING the --cleanup option is deprecated (we always cleanup everything) ###\n' "$1" >&2
+					printf '### WARNING the %s option is deprecated (we always cleanup everything) ###\n' "$1" >&2
 					processCommandArguments_skip=1
 					;;
 				--)