diff --git a/source/dub/dependency.d b/source/dub/dependency.d
index 6c9c73f..1ed6bdf 100644
--- a/source/dub/dependency.d
+++ b/source/dub/dependency.d
@@ -126,7 +126,7 @@
 		foreach( i; 0 .. min(v.length, ov.length) ) {
 			if( v[i] != ov[i] ) {
 				if(isNumeric(v[i]) && isNumeric(ov[i]))
-					return to!int(v[i]) < to!int(ov[i])? -1 : 1;
+					return to!size_t(v[i]) < to!size_t(ov[i])? -1 : 1;
 				else 
 					return v[i] < ov[i]? -1 : 1;
 			}