diff --git a/src/kits/interface/Region.cpp b/src/kits/interface/Region.cpp
index 6cdb8bfa6a..b05f3c6649 100644
--- a/src/kits/interface/Region.cpp
+++ b/src/kits/interface/Region.cpp
@@ -122,10 +122,7 @@ BRegion::Set(clipping_rect clipping)
 
 	if (valid_rect(clipping) && fData != NULL) {
 		fCount = 1;
-		// cheap convert to internal rect format
-		clipping.right++;
-		clipping.bottom++;
-		fData[0] = fBounds = clipping;
+		fData[0] = fBounds = _ConvertToInternal(clipping);
 	} else
 		MakeEmpty();
 }
@@ -211,9 +208,7 @@ BRegion::Intersects(BRect rect) const
 bool
 BRegion::Intersects(clipping_rect clipping) const
 {
-	// cheap convert to internal rect format
-	clipping.right++;
-	clipping.bottom++;
+	clipping = _ConvertToInternal(clipping);
 
 	int result = Support::XRectInRegion(this, clipping);