diff --git a/src/detect/linescan.rs b/src/detect/linescan.rs
index b020450..0cba5c7 100644
--- a/src/detect/linescan.rs
+++ b/src/detect/linescan.rs
@@ -407,7 +407,7 @@ impl QRFinderPattern {
         }
 
         let module_size: f64 = f64::from(total_size) / 7.0;
-        let max_variance = module_size / 1.5;
+        let max_variance = module_size / 1.6;
 
         if (module_size - f64::from(self.2)).abs() > max_variance {
             return false;
diff --git a/tests/image_tests.rs b/tests/image_tests.rs
index 40e1940..651d23c 100644
--- a/tests/image_tests.rs
+++ b/tests/image_tests.rs
@@ -8,6 +8,30 @@ pub fn test_version1_example() {
     );
 }
 
+#[test]
+pub fn test_wild_big_example() {
+    test_image(
+        "tests/images/wild_big.png",
+        vec![Ok(String::from("2810050501011O7KV4V6FDGU"))],
+    );
+}
+
+#[test]
+pub fn test_wild_rotated_1() {
+    test_image(
+        "tests/images/wild_rot_1.jpg",
+        vec![Ok(String::from("2810050501011O7KV4V6FDGU"))],
+    );
+}
+
+#[test]
+pub fn test_wild_rotated_2() {
+    test_image(
+        "tests/images/wild_rot_2.jpg",
+        vec![Ok(String::from("2810050501011O7KV4V6FDGU"))],
+    );
+}
+
 #[test]
 pub fn test_version1_example_no_border() {
     test_image(
diff --git a/tests/images/wild_big.png b/tests/images/wild_big.png
new file mode 100644
index 0000000..d222a64
Binary files /dev/null and b/tests/images/wild_big.png differ
diff --git a/tests/images/wild_rot_1.jpg b/tests/images/wild_rot_1.jpg
new file mode 100644
index 0000000..1367c5d
Binary files /dev/null and b/tests/images/wild_rot_1.jpg differ
diff --git a/tests/images/wild_rot_2.jpg b/tests/images/wild_rot_2.jpg
new file mode 100644
index 0000000..00634f1
Binary files /dev/null and b/tests/images/wild_rot_2.jpg differ