diff --git a/Project.toml b/Project.toml
index d89941a5749fe838aabda8b400e0188114dd1e44..147e2a7ae545eaabe60e7d32f8a03d90a322c741 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "TaggingBackends"
 uuid = "e551f703-3b82-4335-b341-d497b48d519b"
 authors = ["François Laurent", "Institut Pasteur"]
-version = "0.18"
+version = "0.18.1"
 
 [deps]
 Dates = "ade2ca70-3891-5945-98fb-dc099432e06a"
diff --git a/pyproject.toml b/pyproject.toml
index f6b1f51148e9541f672fbd1e6722cb4d5fb992c0..aba7c5410192513bc6ebdccc8940f631a1a9d5ce 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -1,6 +1,6 @@
 [tool.poetry]
 name = "TaggingBackends"
-version = "0.18"
+version = "0.18.1"
 description = "Backbone for LarvaTagger.jl tagging backends"
 authors = ["François Laurent"]
 
diff --git a/src/taggingbackends/data/labels.py b/src/taggingbackends/data/labels.py
index a962b57bf18fae3ece4da2ab3ea82197daca793f..5106134f6a7eec29467f87952b7a81c378d84fb5 100644
--- a/src/taggingbackends/data/labels.py
+++ b/src/taggingbackends/data/labels.py
@@ -343,8 +343,8 @@ class Labels:
     """
     @property
     def decoding_label_list(self):
-        labelspec = self.decodingspec
-        if labelspec is None:
+        labelset = self.decodingspec
+        if labelset is None:
             return self.encoding_label_list
         if self.secondarylabelspec:
             labelset = labelset + self.secondarylabelspec