diff --git a/src/variety/fillomino.js b/src/variety/fillomino.js
index 9a3cf0a41..e79fa6803 100644
--- a/src/variety/fillomino.js
+++ b/src/variety/fillomino.js
@@ -716,8 +716,17 @@
 				--numkind;
 			}
 			component.numkind = numkind;
-			component.number =
-				numkind === 1 ? filled : numkind === 0 ? clist.length : -1;
+			if (numkind === 1) {
+				if (filled === -2) {
+					component.number = clist.length;
+				} else {
+					component.number = filled;
+				}
+			} else if (numkind === 0) {
+				component.number = clist.length;
+			} else {
+				component.number = -1;
+			}
 			component.complete = clist.length === component.number;
 			component.looseborders = null;
 		},
diff --git a/test/variety/fillomino_test.js b/test/variety/fillomino_test.js
index eaed53f02..ef60a52e6 100644
--- a/test/variety/fillomino_test.js
+++ b/test/variety/fillomino_test.js
@@ -46,4 +46,20 @@ describe("Variety:fillomino", function() {
 		center.adjacent.left.setNum(-1);
 		assert.equal(center.adjborder.top.qcmp, 0);
 	});
+
+	it("detects same size regions with ? properly", function() {
+		var p = new pzpr.Puzzle();
+		p.open("fillomino/5/1");
+		p.board.getc(1, 1).setNum(-2);
+		p.board.getc(3, 1).setNum(-2);
+		p.board.getb(2, 1).setQans(0);
+		p.board.getb(4, 1).setQans(1);
+		p.board.getc(5, 1).setNum(-2);
+		p.board.getc(7, 1).setNum(-2);
+		p.board.getb(6, 1).setQans(0);
+		p.board.getb(8, 1).setQans(1);
+		p.board.getc(9, 1).setNum(1);
+		var check = p.check(true);
+		assert.equal(check[0], "bsSameNum");
+	});
 });