diff --git a/webapp_post.py b/webapp_post.py
index bf1b167ef..aef07ddcb 100644
--- a/webapp_post.py
+++ b/webapp_post.py
@@ -137,6 +137,21 @@ from session import get_json
 MAX_DISPLAY_NAME_LENGTH = 42
 
 
+def _get_instalce_software_html(title_str: str, software_name: str) -> str:
+    """Returns the html displaying the type of software
+    such as mastodon, epicyon or pixelfed
+    """
+    if not software_name:
+        return ''
+    if software_name in title_str:
+        return ''
+    title_str += \
+        '<br><label class="instanceSoftware">' + \
+        '<span itemprop="software">' + \
+        software_name + '</span></label>\n'
+    return title_str
+
+
 def _get_instance_software(base_dir: str, session,
                            instance_http_prefix: str,
                            instance_domain: str,
@@ -1551,12 +1566,7 @@ def _get_post_title_announce_html(base_dir: str,
     if mitm or announce_domain in mitm_servers:
         title_str += mitm_warning_html(translate)
 
-    if software_name:
-        if '[' + software_name + ']' not in title_str:
-            title_str += \
-                '<br><label class="instanceSoftware">' + \
-                '<span itemprop="software">[' + \
-                software_name + ']</span></label>\n'
+    title_str += _get_instalce_software_html(title_str, software_name)
 
     # show avatar of person replied to
     announce_actor = attributed_to
@@ -1603,12 +1613,7 @@ def _reply_to_yourself_html(translate: {}, software_name: str) -> str:
         '" src="/icons' + \
         '/reply.png" class="announceOrReply"/>\n'
 
-    if software_name:
-        if '[' + software_name + ']' not in title_str:
-            title_str += \
-                '<br><label class="instanceSoftware">' + \
-                '<span itemprop="software">[' + \
-                software_name + ']</span></label>\n'
+    title_str += _get_instalce_software_html(title_str, software_name)
     return title_str
 
 
@@ -1647,13 +1652,7 @@ def _reply_to_unknown_html(translate: {},
         post_link + \
         '" class="announceOrReply" tabindex="10">@unknown</a>\n'
 
-    if software_name:
-        if '[' + software_name + ']' not in title_str:
-            title_str += \
-                '<br><label class="instanceSoftware">' + \
-                '<span itemprop="software">[' + \
-                software_name + ']</span></label>\n'
-
+    title_str += _get_instalce_software_html(title_str, software_name)
     return title_str
 
 
@@ -1684,13 +1683,7 @@ def _reply_with_unknown_path_html(translate: {},
         '" class="announceOrReply" tabindex="10">' + \
         post_domain + mitm_str + '</a>\n'
 
-    if software_name:
-        if '[' + software_name + ']' not in title_str:
-            title_str += \
-                '<br><label class="instanceSoftware">' + \
-                '<span itemprop="software">[' + \
-                software_name + ']</span></label>\n'
-
+    title_str += _get_instalce_software_html(title_str, software_name)
     return title_str
 
 
@@ -1718,13 +1711,7 @@ def _get_reply_html(translate: {},
         reply_handle + '">' + '<span itemprop="audience">' + \
         reply_display_name + '</span></a>\n'
 
-    if software_name:
-        if '[' + software_name + ']' not in title_str:
-            title_str += \
-                '<br><label class="instanceSoftware">' + \
-                '<span itemprop="software">[' + \
-                software_name + ']</span></label>\n'
-
+    title_str += _get_instalce_software_html(title_str, software_name)
     return title_str
 
 
@@ -1757,13 +1744,7 @@ def _get_post_title_reply_html(base_dir: str,
     # not a reply
     reply_id = get_reply_to(obj_json)
     if not reply_id:
-        if software_name:
-            if software_name:
-                if '[' + software_name + ']' not in title_str:
-                    title_str += \
-                        '<br><label class="instanceSoftware">' + \
-                        '<span itemprop="software">[' + \
-                        software_name + ']</span></label>\n'
+        title_str += _get_instalce_software_html(title_str, software_name)
         return (title_str, reply_avatar_image_in_post,
                 container_class_icons, container_class)
 
@@ -1887,12 +1868,7 @@ def _get_post_title_reply_html(base_dir: str,
     if mitm or reply_domain in mitm_servers:
         title_str += mitm_warning_html(translate)
 
-    if software_name:
-        if '[' + software_name + ']' not in title_str:
-            title_str += \
-                '<br><label class="instanceSoftware">' + \
-                '<span itemprop="software">[' + \
-                software_name + ']</span></label>\n'
+    title_str += _get_instalce_software_html(title_str, software_name)
 
     _log_post_timing(enable_timing_log, post_start_time, '13.7')