diff --git a/src/lib.rs b/src/lib.rs
index 0404f5d..e85a684 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -838,13 +838,14 @@ impl Parser {
                 }
             } else if res.hour.is_some() && (l[i] == "+" || l[i] == "-") {
                 let signal = if l[i] == "+" { 1 } else { -1 };
-                let len_li = l[i].len();
+                // check next index's length
+                let timezone_len = l[i + 1].len();
 
                 let mut hour_offset: Option<i32> = None;
                 let mut min_offset: Option<i32> = None;
 
                 // TODO: check that l[i + 1] is integer?
-                if len_li == 4 {
+                if timezone_len == 4 {
                     // -0300
                     hour_offset = Some(l[i + 1][..2].parse::<i32>()?);
                     min_offset = Some(l[i + 1][2..4].parse::<i32>()?);
@@ -858,7 +859,7 @@ impl Parser {
                         Some(l[i + 3].parse::<i32>()?)
                     };
                     i += 2;
-                } else if len_li <= 2 {
+                } else if timezone_len <= 2 {
                     // -[0]3
                     let range_len = min(l[i + 1].len(), 2);
                     hour_offset = Some(l[i + 1][..range_len].parse::<i32>()?);
diff --git a/src/tests/fuzzing.rs b/src/tests/fuzzing.rs
index 3626911..88048cf 100644
--- a/src/tests/fuzzing.rs
+++ b/src/tests/fuzzing.rs
@@ -111,6 +111,18 @@ fn github_36() {
 
 #[test]
 fn github_46() {
-    let parse_result = parse("2000-01-01 12:00:00+00:");
-    assert!(parse_result.is_err());
+    assert_eq!(
+        parse("2000-01-01 12:00:00+00:"),
+        Err(ParseError::TimezoneUnsupported)
+    );
+    let parse_result = parse("2000-01-01 12:00:00+0811");
+    match parse_result {
+        Ok((dt, offset)) => {
+            assert_eq!(format!("{:?}", dt), "2000-01-01T12:00:00".to_string());
+            assert_eq!(format!("{:?}", offset), "Some(+08:11)".to_string());
+        }
+        Err(_) => {
+            panic!();
+        }
+    }
 }