1 files changed, 1 insertions, 4 deletions
diff --git a/src/main/java/org/zwobble/couscous/interpreter/Environment.java b/src/main/java/org/zwobble/couscous/interpreter/Environment.java
index 0bbc808..d91664d 100644
--- a/src/main/java/org/zwobble/couscous/interpreter/Environment.java
+++ b/src/main/java/org/zwobble/couscous/interpreter/Environment.java
@@ -72,10 +72,7 @@ public class Environment {
 
     private void checkVariableType(int variableId, InterpreterValue value) {
         val variableType = stackFrame.get(variableId).getType();
-        val valueType = value.getType().getName();
-        if (!variableType.equals(valueType)) {
-            throw new UnexpectedValueType(variableType, valueType);
-        }
+        InterpreterTypes.checkIsInstance(variableType, value);
     }
     
     @AllArgsConstructor(staticName="of")