diff --git a/templates/repo/create.tmpl b/templates/repo/create.tmpl
index ddf887b51..fbc601cc5 100644
--- a/templates/repo/create.tmpl
+++ b/templates/repo/create.tmpl
@@ -54,7 +54,7 @@
 					</div>
 					<div class="inline field {{if .Err_Description}}error{{end}}">
 						<label for="description">{{.i18n.Tr "repo.repo_desc"}}</label>
-						<textarea id="description" name="description">{{.description}}</textarea>
+						<textarea id="description" name="description" maxlength="255">{{.description}}</textarea>
 					</div>
 					<div class="inline field">
 						<label>{{.i18n.Tr "repo.template"}}</label>
diff --git a/templates/repo/migrate.tmpl b/templates/repo/migrate.tmpl
index ba17fd83f..e8771fdbe 100644
--- a/templates/repo/migrate.tmpl
+++ b/templates/repo/migrate.tmpl
@@ -122,7 +122,7 @@
 					</div>
 					<div class="inline field {{if .Err_Description}}error{{end}}">
 						<label for="description">{{.i18n.Tr "repo.repo_desc"}}</label>
-						<textarea id="description" name="description">{{.description}}</textarea>
+						<textarea id="description" name="description" maxlength="255">{{.description}}</textarea>
 					</div>
 
 					<div class="inline field">
diff --git a/templates/repo/pulls/fork.tmpl b/templates/repo/pulls/fork.tmpl
index c7ad0f087..a7c79bc73 100644
--- a/templates/repo/pulls/fork.tmpl
+++ b/templates/repo/pulls/fork.tmpl
@@ -53,7 +53,7 @@
 					</div>
 					<div class="inline field {{if .Err_Description}}error{{end}}">
 						<label for="description">{{.i18n.Tr "repo.repo_desc"}}</label>
-						<textarea id="description" name="description">{{.description}}</textarea>
+						<textarea id="description" name="description" maxlength="255">{{.description}}</textarea>
 					</div>
 
 					<div class="inline field">
diff --git a/templates/repo/settings/options.tmpl b/templates/repo/settings/options.tmpl
index 6aea5214e..2a501a1e4 100644
--- a/templates/repo/settings/options.tmpl
+++ b/templates/repo/settings/options.tmpl
@@ -41,7 +41,7 @@
 				{{end}}
 				<div class="field {{if .Err_Description}}error{{end}}">
 					<label for="description">{{$.i18n.Tr "repo.repo_desc"}}</label>
-					<textarea id="description" name="description" rows="2">{{.Repository.Description}}</textarea>
+					<textarea id="description" name="description" rows="2" maxlength="255">{{.Repository.Description}}</textarea>
 				</div>
 				<div class="field {{if .Err_Website}}error{{end}}">
 					<label for="website">{{.i18n.Tr "repo.settings.site"}}</label>
diff --git a/templates/user/settings/profile.tmpl b/templates/user/settings/profile.tmpl
index ff677f35f..54c6695ec 100644
--- a/templates/user/settings/profile.tmpl
+++ b/templates/user/settings/profile.tmpl
@@ -34,7 +34,7 @@
 				</div>
 				<div class="field {{if .Err_Description}}error{{end}}">
 					<label for="description">{{$.i18n.Tr "user.user_bio"}}</label>
-					<textarea id="description" name="description" rows="2">{{.SignedUser.Description}}</textarea>
+					<textarea id="description" name="description" rows="2" maxlength="255">{{.SignedUser.Description}}</textarea>
 				</div>
 				<div class="field {{if .Err_Website}}error{{end}}">
 					<label for="website">{{.i18n.Tr "settings.website"}}</label>