diff --git a/src/git_flow/main.py b/src/git_flow/main.py
index 5283a27..3e91884 100755
--- a/src/git_flow/main.py
+++ b/src/git_flow/main.py
@@ -398,7 +398,9 @@ def tag_command():
     elif increment == "patch":
         patch = patch + 1
 
-    new_version = f"v{major}.{minor}.{patch}-{branch}"
+    last_branch = Git.flow_config("flow.branches").firstline().split(" ")[-1]
+    suffix = "-" + branch if branch != last_branch else ""
+    new_version = f"v{major}.{minor}.{patch}" + suffix
 
     if ci:
         url = Git("remote", "get-url", remote).firstline()