diff --git a/.mokogitea/manifest.xml b/.mokogitea/manifest.xml
index 0a9062b5ea..e37779f96d 100644
--- a/.mokogitea/manifest.xml
+++ b/.mokogitea/manifest.xml
@@ -4,7 +4,7 @@
         <name>MokoGitea</name>
         <org>MokoConsulting</org>
         <description>Moko fork of Gitea - adding project board REST API endpoints and custom enhancements</description>
-        <version>06.19.00</version>
+        <version>06.18.03</version>
         <version-prefix>v1.26.1+MOKO</version-prefix>
         <license spdx="GPL-3.0-or-later">GNU General Public License v3</license>
     </identity>
diff --git a/.mokogitea/workflows/issue-branch.yml b/.mokogitea/workflows/issue-branch.yml
index 8c7582d077..d162991038 100644
--- a/.mokogitea/workflows/issue-branch.yml
+++ b/.mokogitea/workflows/issue-branch.yml
@@ -5,7 +5,7 @@
 # FILE INFORMATION
 # DEFGROUP: Gitea.Workflow
 # INGROUP: mokoplatform.Automation
-# VERSION: 06.19.00
+# VERSION: 06.18.03
 # BRIEF: Auto-create feature branch when an issue is opened
 
 name: "Universal: Issue Branch"
diff --git a/models/repo/repo_test.go b/models/repo/repo_test.go
index 7cf9d6a8a6..7bf3fb97a4 100644
--- a/models/repo/repo_test.go
+++ b/models/repo/repo_test.go
@@ -212,6 +212,8 @@ func TestIsUsableRepoName(t *testing.T) {
 	assert.NoError(t, IsUsableRepoName("a"))
 	assert.NoError(t, IsUsableRepoName("-1_."))
 	assert.NoError(t, IsUsableRepoName(".profile"))
+	assert.NoError(t, IsUsableRepoName(".mokogitea"))
+	assert.NoError(t, IsUsableRepoName(".github"))
 
 	assert.Error(t, IsUsableRepoName("-"))
 	assert.Error(t, IsUsableRepoName("🌞"))
diff --git a/routers/web/org/wiki.go b/routers/web/org/wiki.go
index 8a7280b31c..dc76d34747 100644
--- a/routers/web/org/wiki.go
+++ b/routers/web/org/wiki.go
@@ -158,13 +158,24 @@ func Wiki(ctx *context.Context) {
 }
 
 // findOrgWikiCommit locates the profile repo's wiki and returns its HEAD commit.
-// The org wiki lives in the .wiki.git sidecar of the profile repo (e.g. .profile.wiki.git).
+// The org wiki lives in the .wiki.git sidecar of the profile repo (e.g. .mokogitea.wiki.git).
+// Tries fallback repo names (.profile, .github) if the primary doesn't exist.
 func findOrgWikiCommit(ctx *context.Context, orgID int64, repoName string) (*repo_model.Repository, *git.Commit) {
-	dbRepo, err := repo_model.GetRepositoryByName(ctx, orgID, repoName)
-	if err != nil {
-		if !repo_model.IsErrRepoNotExist(err) {
-			log.Error("findOrgWikiCommit: GetRepositoryByName(%d, %s): %v", orgID, repoName, err)
+	namesToTry := shared_user.ProfileRepoFallbacks(repoName)
+
+	var dbRepo *repo_model.Repository
+	var err error
+	for _, name := range namesToTry {
+		dbRepo, err = repo_model.GetRepositoryByName(ctx, orgID, name)
+		if err == nil {
+			break
 		}
+		if !repo_model.IsErrRepoNotExist(err) {
+			log.Error("findOrgWikiCommit: GetRepositoryByName(%d, %s): %v", orgID, name, err)
+			return nil, nil
+		}
+	}
+	if dbRepo == nil {
 		return nil, nil
 	}
 
diff --git a/routers/web/shared/user/header.go b/routers/web/shared/user/header.go
index abcd848697..9b75cbc724 100644
--- a/routers/web/shared/user/header.go
+++ b/routers/web/shared/user/header.go
@@ -93,17 +93,27 @@ func prepareContextForProfileBigAvatar(ctx *context.Context) {
 
 func FindOwnerProfileReadme(ctx *context.Context, doer *user_model.User, optProfileRepoName ...string) (profileDbRepo *repo_model.Repository, profileReadmeBlob *git.Blob) {
 	profileRepoName := util.OptionalArg(optProfileRepoName, RepoNameProfile)
-	profileDbRepo, err := repo_model.GetRepositoryByName(ctx, ctx.ContextUser.ID, profileRepoName)
-	if err != nil {
-		if !repo_model.IsErrRepoNotExist(err) {
-			log.Error("FindOwnerProfileReadme failed to GetRepositoryByName: %v", err)
+
+	namesToTry := ProfileRepoFallbacks(profileRepoName)
+
+	var err error
+	for _, name := range namesToTry {
+		profileDbRepo, err = repo_model.GetRepositoryByName(ctx, ctx.ContextUser.ID, name)
+		if err == nil {
+			break
 		}
+		if !repo_model.IsErrRepoNotExist(err) {
+			log.Error("FindOwnerProfileReadme failed to GetRepositoryByName(%s): %v", name, err)
+			return nil, nil
+		}
+	}
+	if profileDbRepo == nil {
 		return nil, nil
 	}
 
 	perm, err := access_model.GetDoerRepoPermission(ctx, profileDbRepo, doer)
 	if err != nil {
-		log.Error("FindOwnerProfileReadme failed to GetRepositoryByName: %v", err)
+		log.Error("FindOwnerProfileReadme failed to GetDoerRepoPermission: %v", err)
 		return nil, nil
 	}
 	if profileDbRepo.IsEmpty || !perm.CanRead(unit.TypeCode) {
@@ -135,12 +145,29 @@ type PrepareOwnerHeaderResult struct {
 }
 
 const (
-	RepoNameProfilePrivate = ".profile-private"
-	RepoNameProfile        = ".profile"
-	RepoNameWikiPublic     = ".profile"
-	RepoNameWikiPrivate    = ".profile-private"
+	RepoNameProfile        = ".mokogitea"
+	RepoNameProfilePrivate = ".mokogitea-private"
+	RepoNameWikiPublic     = ".mokogitea"
+	RepoNameWikiPrivate    = ".mokogitea-private"
 )
 
+// profileFallbacks maps primary repo names to their fallback alternatives.
+// Priority: .mokogitea > .profile > .github
+var profileFallbacks = map[string][]string{
+	RepoNameProfile:        {".profile", ".github"},
+	RepoNameProfilePrivate: {".profile-private", ".github-private"},
+}
+
+// ProfileRepoFallbacks returns the list of repo names to try for a given
+// profile repo name, with the primary name first and fallbacks after.
+func ProfileRepoFallbacks(repoName string) []string {
+	names := []string{repoName}
+	if fallbacks, ok := profileFallbacks[repoName]; ok {
+		names = append(names, fallbacks...)
+	}
+	return names
+}
+
 func RenderUserOrgHeader(ctx *context.Context) (result *PrepareOwnerHeaderResult, err error) {
 	ctx.Data["IsPackageEnabled"] = setting.Packages.Enabled
 	ctx.Data["IsRepoIndexerEnabled"] = setting.Indexer.RepoIndexerEnabled
@@ -210,10 +237,19 @@ func loadHeaderCount(ctx *context.Context) error {
 }
 
 // OrgWikiRepoExists checks whether a profile repo's wiki exists and has content.
+// Tries fallback repo names (.mokogitea, .github) if the primary doesn't exist.
 func OrgWikiRepoExists(ctx *context.Context, ownerID int64, repoName string) bool {
-	dbRepo, err := repo_model.GetRepositoryByName(ctx, ownerID, repoName)
-	if err != nil {
-		log.Trace("OrgWikiRepoExists: repo %s not found for owner %d: %v", repoName, ownerID, err)
+	namesToTry := ProfileRepoFallbacks(repoName)
+
+	var dbRepo *repo_model.Repository
+	var err error
+	for _, name := range namesToTry {
+		dbRepo, err = repo_model.GetRepositoryByName(ctx, ownerID, name)
+		if err == nil {
+			break
+		}
+	}
+	if dbRepo == nil {
 		return false
 	}
 	wikiRepo := dbRepo.WikiStorageRepo()