diff --git a/pyproject.toml b/pyproject.toml
index 5b0783f..a3a5848 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -49,7 +49,7 @@ source = [
 
 [tool.coverage.report]
 skip_covered = true
-fail_under = 99
+fail_under = 100
 
 [tool.coverage.html]
 directory = "htmlcov/"
diff --git a/sqids/sqids.py b/sqids/sqids.py
index 5daaafa..ad173cf 100644
--- a/sqids/sqids.py
+++ b/sqids/sqids.py
@@ -110,13 +110,12 @@ def decode(self, id_: str) -> List[int]:
         while id_:
             separator = alphabet[0]
             chunks = id_.split(separator)
-            if chunks:
-                if not chunks[0]:
-                    return ret
+            if not chunks[0]:
+                return ret
 
-                ret.append(self.__to_number(chunks[0], alphabet[1:]))
-                if len(chunks) > 1:
-                    alphabet = self.__shuffle(alphabet)
+            ret.append(self.__to_number(chunks[0], alphabet[1:]))
+            if len(chunks) > 1:
+                alphabet = self.__shuffle(alphabet)
 
             id_ = separator.join(chunks[1:])