diff --git a/src/command/Request.hxx b/src/command/Request.hxx
index f6f0072a0..7a459bb0f 100644
--- a/src/command/Request.hxx
+++ b/src/command/Request.hxx
@@ -54,12 +54,12 @@ public:
 		return ParseCommandArgInt(data[idx], min_value, max_value);
 	}
 
-	int ParseUnsigned(unsigned idx) const {
+	unsigned ParseUnsigned(unsigned idx) const {
 		assert(idx < size);
 		return ParseCommandArgUnsigned(data[idx]);
 	}
 
-	int ParseUnsigned(unsigned idx, unsigned max_value) const {
+	unsigned ParseUnsigned(unsigned idx, unsigned max_value) const {
 		assert(idx < size);
 		return ParseCommandArgUnsigned(data[idx], max_value);
 	}