Merge branch 'develop'

1 files changed, 5 insertions, 3 deletions

diff --git a/src/client/app/common/scripts/aiscript.ts b/src/client/app/common/scripts/aiscript.ts
index 4ef21f9943..a3e499fc88 100644
--- a/src/client/app/common/scripts/aiscript.ts
+++ b/src/client/app/common/scripts/aiscript.ts
@@ -316,8 +316,10 @@ export class AiScript {
 
 	@autobind
 	private interpolate(str: string, values: { name: string, value: any }[]) {
-		return str.replace(/\{(.+?)\}/g, match =>
-			(this.getVariableValue(match.slice(1, -1).trim(), values) || '').toString());
+		return str.replace(/\{(.+?)\}/g, match => {
+			const v = this.getVariableValue(match.slice(1, -1).trim(), values);
+			return v == null ? 'NULL' : v.toString();
+		});
 	}
 
 	@autobind
@@ -445,7 +447,7 @@ export class AiScript {
 		}
 
 		if (AiScript.envVarsDef[name]) {
-			return this.envVars[name].value;
+			return this.envVars[name];
 		}
 
 		throw new Error(`Script: No such variable '${name}'`);