diff --git a/src/runtime.rs b/src/runtime.rs
index 0fa00a8..b4f412f 100644
--- a/src/runtime.rs
+++ b/src/runtime.rs
@@ -1083,11 +1083,11 @@ impl Object {
     pub fn is_truthy(&self) -> bool {
         match &self.native {
             Value::Null => self.kind.lock_ro().id != 0,
-            Value::Int(x) => x > &0,
-            Value::Long(x) => x > &0,
-            Value::Mega(x) => x > &0,
-            Value::Float(_) => true,
-            Value::Double(_) => true,
+            Value::Int(x) => *x > 0,
+            Value::Long(x) => *x > 0,
+            Value::Mega(x) => *x > 0,
+            Value::Float(x) => x.is_finite(),
+            Value::Double(x) => x.is_finite(),
             Value::Func(_) => true,
             Value::Array(_) => true,
             Value::Str(x) => !x.is_empty(),