diff --git a/script/build_package.sh b/script/build_package.sh
index e165da6..97230b6 100755
--- a/script/build_package.sh
+++ b/script/build_package.sh
@@ -1323,6 +1323,14 @@
 		echo
 		echo "$run_config_candidates" | sed 's/^\|\n/\t/g'
 		echo
+
+		if [ ! -n "$bin_mode" ]; then
+			if echo $run_config_candidates | grep -wq "debug"; then
+				bin_mode="debug"
+			else
+				bin_mode="release"
+			fi
+		fi
 	fi
 fi