diff --git a/src/Geometry/Tools/RectangleResizer.php b/src/Geometry/Tools/RectangleResizer.php
index 38292da1..935e1af4 100644
--- a/src/Geometry/Tools/RectangleResizer.php
+++ b/src/Geometry/Tools/RectangleResizer.php
@@ -77,7 +77,7 @@ class RectangleResizer
             return $size->width();
         }
 
-        return (int) round($this->height * $size->aspectRatio());
+        return max([1, (int) round($this->height * $size->aspectRatio())]);
     }
 
     protected function getProportionalHeight(SizeInterface $size): int
@@ -86,7 +86,7 @@ class RectangleResizer
             return $size->height();
         }
 
-        return (int) round($this->width / $size->aspectRatio());
+        return max([1, (int) round($this->width / $size->aspectRatio())]);
     }
 
     public function resize(SizeInterface $size): SizeInterface
diff --git a/tests/Geometry/RectangleResizerTest.php b/tests/Geometry/RectangleResizerTest.php
index bcc569b4..fe7ce1fd 100644
--- a/tests/Geometry/RectangleResizerTest.php
+++ b/tests/Geometry/RectangleResizerTest.php
@@ -269,6 +269,13 @@ class RectangleResizerTest extends TestCase
         $result = $resizer->scale($size);
         $this->assertEquals(4000, $result->width());
         $this->assertEquals(2000, $result->height());
+
+        $size = new Rectangle(3, 3000);
+        $resizer = new RectangleResizer();
+        $resizer->toHeight(300);
+        $result = $resizer->scale($size);
+        $this->assertEquals(1, $result->width());
+        $this->assertEquals(300, $result->height());
     }
 
     public function testScaleDown()
@@ -363,6 +370,13 @@ class RectangleResizerTest extends TestCase
         $result = $resizer->scaleDown($size);
         $this->assertEquals(13, $result->width());
         $this->assertEquals(10, $result->height());
+
+        $size = new Rectangle(3, 3000);
+        $resizer = new RectangleResizer();
+        $resizer->toHeight(300);
+        $result = $resizer->scale($size);
+        $this->assertEquals(1, $result->width());
+        $this->assertEquals(300, $result->height());
     }
 
     /**