diff --git a/src/vm.ts b/src/vm.ts
index 19e54a8..9abc315 100644
--- a/src/vm.ts
+++ b/src/vm.ts
@@ -620,7 +620,7 @@ export class VM {
         }
 
         if (fn.type !== 'function')
-          throw new Error(`CALL: ${fn.type} is not a function (${fn.value})`)
+          throw new Error(`CALL: ${fn.value} is not a function`)
 
         if (this.callStack.length > 0)
           this.callStack[this.callStack.length - 1]!.isBreakTarget = true
@@ -712,7 +712,7 @@ export class VM {
         const tailFn = this.stack.pop()!
 
         if (tailFn.type !== 'function')
-          throw new Error(`TAIL_CALL: ${tailFn.type} is not a function (${tailFn.value})`)
+          throw new Error(`TAIL_CALL: ${tailFn.value} is not a function`)
 
         this.scope = new Scope(tailFn.parentScope)