diff --git a/src/group_gui.cpp b/src/group_gui.cpp
index e9817651c4..a8aca15adc 100644
--- a/src/group_gui.cpp
+++ b/src/group_gui.cpp
@@ -511,7 +511,7 @@ public:
 
 					y1 += this->tiny_step_height;
 				}
-				if (this->group_sb->GetPosition() + this->group_sb->GetCapacity() > this->groups.Length()) {
+				if ((uint)this->group_sb->GetPosition() + this->group_sb->GetCapacity() > this->groups.Length()) {
 					DrawGroupInfo(y1, r.left, r.right, NEW_GROUP);
 				}
 				break;
diff --git a/src/road_cmd.cpp b/src/road_cmd.cpp
index 57f5507657..ad7579a196 100644
--- a/src/road_cmd.cpp
+++ b/src/road_cmd.cpp
@@ -795,7 +795,7 @@ do_clear:;
 static bool CanConnectToRoad(TileIndex tile, RoadType rt, DiagDirection dir)
 {
 	RoadBits bits = GetAnyRoadBits(tile + TileOffsByDiagDir(dir), rt, false);
-	return (bits & DiagDirToRoadBits(ReverseDiagDir(dir)));
+	return (bits & DiagDirToRoadBits(ReverseDiagDir(dir))) != 0;
 }
 
 /**