diff --git a/semantic-conventions/src/opentelemetry/semconv/model/semantic_convention.py b/semantic-conventions/src/opentelemetry/semconv/model/semantic_convention.py
index 08894cb0..46146a6d 100644
--- a/semantic-conventions/src/opentelemetry/semconv/model/semantic_convention.py
+++ b/semantic-conventions/src/opentelemetry/semconv/model/semantic_convention.py
@@ -123,7 +123,8 @@ def __init__(self, group):
 
         self.semconv_id = self.id
         self.note = group.get("note", "").strip()
-        self.prefix = group.get("prefix", "").strip()
+        if group.get("prefix", "") is not None:
+            self.prefix = group.get("prefix", "").strip()
         stability = group.get("stability")
         deprecated = group.get("deprecated")
         position_data = group.lc.data