diff --git a/src/misc/aiscript/evaluator.ts b/src/misc/aiscript/evaluator.ts
index 0de924e81..fef2d4f3a 100644
--- a/src/misc/aiscript/evaluator.ts
+++ b/src/misc/aiscript/evaluator.ts
@@ -112,16 +112,6 @@ export class ASEvaluator {
 		this.envVars.SEED = seed;
 	}
 
-	@autobind
-	public getVarByName(name: string): Variable {
-		const v = this.variables.find(x => x.name === name);
-		if (v !== undefined) {
-			return v;
-		} else {
-			throw new AiScriptError(`No such variable '${name}'`);
-		}
-	}
-
 	@autobind
 	private interpolate(str: string, scope: Scope) {
 		return str.replace(/\{(.+?)\}/g, match => {
diff --git a/src/misc/aiscript/type-checker.ts b/src/misc/aiscript/type-checker.ts
index c40c844ea..817e54986 100644
--- a/src/misc/aiscript/type-checker.ts
+++ b/src/misc/aiscript/type-checker.ts
@@ -139,6 +139,16 @@ export class ASTypeChecker {
 		}
 	}
 
+	@autobind
+	public getVarByName(name: string): Variable {
+		const v = this.variables.find(x => x.name === name);
+		if (v !== undefined) {
+			return v;
+		} else {
+			throw new Error(`No such variable '${name}'`);
+		}
+	}
+
 	@autobind
 	public getVarsByType(type: Type): Variable[] {
 		if (type == null) return this.variables;