diff --git a/arch/x86/kernel/e820.c b/arch/x86/kernel/e820.c
index e69408bf664b68153609daccd1516c1276d52e68..7da2bcd2b8eb019ebffbf3325fc45cf896981c82 100644
--- a/arch/x86/kernel/e820.c
+++ b/arch/x86/kernel/e820.c
@@ -86,9 +86,9 @@ static bool _e820__mapped_any(struct e820_table *table,
 			continue;
 		if (entry->addr >= end || entry->addr + entry->size <= start)
 			continue;
-		return 1;
+		return true;
 	}
-	return 0;
+	return false;
 }
 
 bool e820__mapped_raw_any(u64 start, u64 end, enum e820_type type)