diff --git a/src/GitVersionCore/VersionCalculation/DevelopVersionStrategy.cs b/src/GitVersionCore/VersionCalculation/DevelopVersionStrategy.cs
index 99cea3298d..8295c91721 100644
--- a/src/GitVersionCore/VersionCalculation/DevelopVersionStrategy.cs
+++ b/src/GitVersionCore/VersionCalculation/DevelopVersionStrategy.cs
@@ -57,7 +57,7 @@ private IEnumerable<BaseVersion> ReleaseBranchBaseVersions(GitVersionContext con
             if (releaseBranchConfig.Any())
             {
                 var releaseBranches = context.Repository.Branches
-                    .Where(b => releaseBranchConfig.Any(c => Regex.IsMatch(b.FriendlyName, c.Key)));
+                    .Where(b => releaseBranchConfig.Any(c => Regex.IsMatch(b.FriendlyName, c.Value.Regex)));
 
                 return releaseBranches
                     .SelectMany(b => GetReleaseVersion(context, b))