diff --git a/spectre-meltdown-checker.sh b/spectre-meltdown-checker.sh
index ad14501..0e6c540 100755
--- a/spectre-meltdown-checker.sh
+++ b/spectre-meltdown-checker.sh
@@ -1465,6 +1465,8 @@ check_dd()
 			_warn "Obsolete version of dd does not support required features"
 			_info
 		fi
+	else
+		dd_support="0"
 	fi
 }