diff --git a/phpBB/includes/db/mssql.php b/phpBB/includes/db/mssql.php
index a1fce22214..b222588cf2 100644
--- a/phpBB/includes/db/mssql.php
+++ b/phpBB/includes/db/mssql.php
@@ -234,7 +234,7 @@ class dbal_mssql extends dbal
 		{
 			foreach ($row as $key => $value)
 			{
-				$row[$key] = ($value === ' ') ? '' : $value;
+				$row[$key] = ($value === ' ' || $value === NULL) ? '' : $value;
 			}
 		}
 
diff --git a/phpBB/styles/prosilver/template/posting_preview.html b/phpBB/styles/prosilver/template/posting_preview.html
index 5c99d6f5b4..7ea1fb063d 100644
--- a/phpBB/styles/prosilver/template/posting_preview.html
+++ b/phpBB/styles/prosilver/template/posting_preview.html
@@ -10,7 +10,7 @@
 		<!-- BEGIN poll_option -->
 			<dl>
 				<dt><label for="vote_{poll_option.POLL_OPTION_ID}">{poll_option.POLL_OPTION_CAPTION}</label></dt>
-				<dd style="width: auto;"><!-- IF S_IS_MULTI_CHOICE --><input type="checkbox" name="vote_id[]" id="vote_{poll_option.POLL_OPTION_ID}" value="{poll_option.POLL_OPTION_ID}"<!-- IF poll_option.POLL_OPTION_VOTED --> checked="checked"<!-- ENDIF -->/><!-- ELSE --><input type="radio" name="vote_id[]" id="vote_{poll_option.POLL_OPTION_ID}" value="{poll_option.POLL_OPTION_ID}"<!-- IF poll_option.POLL_OPTION_VOTED --> checked="checked"<!-- ENDIF --> /><!-- ENDIF --></dd>
+				<dd style="width: auto;"><!-- IF S_IS_MULTI_CHOICE --><input type="checkbox" name="vote_id[]" id="vote_{poll_option.POLL_OPTION_ID}" value="{poll_option.POLL_OPTION_ID}"<!-- IF poll_option.POLL_OPTION_VOTED --> checked="checked"<!-- ENDIF --> /><!-- ELSE --><input type="radio" name="vote_id[]" id="vote_{poll_option.POLL_OPTION_ID}" value="{poll_option.POLL_OPTION_ID}"<!-- IF poll_option.POLL_OPTION_VOTED --> checked="checked"<!-- ENDIF --> /><!-- ENDIF --></dd>
 			</dl>
 		<!-- END poll_option -->
 		</fieldset>
diff --git a/phpBB/styles/prosilver/template/ucp_prefs_view.html b/phpBB/styles/prosilver/template/ucp_prefs_view.html
index 2df8713971..993a0146e9 100644
--- a/phpBB/styles/prosilver/template/ucp_prefs_view.html
+++ b/phpBB/styles/prosilver/template/ucp_prefs_view.html
@@ -27,7 +27,7 @@
 			<dt><label for="smilies1">{L_VIEW_SMILIES}:</label></dt>
 			<dd>
 				<label for="smilies1"><input type="radio" name="smilies" id="smilies1" value="1"<!-- IF S_SMILIES --> checked="checked"<!-- ENDIF --> /> {L_YES}</label> 
-				<label for="smilies0"><input type="radio" name="smilies" id="smilies0" value="0"<!-- IF not S_SMILIES --> checked="checked"<!-- ENDIF -->/> {L_NO}</label>
+				<label for="smilies0"><input type="radio" name="smilies" id="smilies0" value="0"<!-- IF not S_SMILIES --> checked="checked"<!-- ENDIF --> /> {L_NO}</label>
 			</dd>
 		</dl>
 		<dl>
diff --git a/phpBB/styles/prosilver/template/viewtopic_body.html b/phpBB/styles/prosilver/template/viewtopic_body.html
index 0fbaecaf43..c1a8f3b067 100644
--- a/phpBB/styles/prosilver/template/viewtopic_body.html
+++ b/phpBB/styles/prosilver/template/viewtopic_body.html
@@ -73,7 +73,7 @@
 			<!-- BEGIN poll_option -->
 				<dl class="<!-- IF poll_option.POLL_OPTION_VOTED -->voted<!-- ENDIF -->"<!-- IF poll_option.POLL_OPTION_VOTED --> title="{L_POLL_VOTED_OPTION}"<!-- ENDIF -->>
 					<dt><!-- IF S_CAN_VOTE --><label for="vote_{poll_option.POLL_OPTION_ID}">{poll_option.POLL_OPTION_CAPTION}</label><!-- ELSE -->{poll_option.POLL_OPTION_CAPTION}<!-- ENDIF --></dt>
-					<!-- IF S_CAN_VOTE --><dd style="width: auto;"><!-- IF S_IS_MULTI_CHOICE --><input type="checkbox" name="vote_id[]" id="vote_{poll_option.POLL_OPTION_ID}" value="{poll_option.POLL_OPTION_ID}"<!-- IF poll_option.POLL_OPTION_VOTED --> checked="checked"<!-- ENDIF -->/><!-- ELSE --><input type="radio" name="vote_id[]" id="vote_{poll_option.POLL_OPTION_ID}" value="{poll_option.POLL_OPTION_ID}"<!-- IF poll_option.POLL_OPTION_VOTED --> checked="checked"<!-- ENDIF --> /><!-- ENDIF --></dd><!-- ENDIF -->
+					<!-- IF S_CAN_VOTE --><dd style="width: auto;"><!-- IF S_IS_MULTI_CHOICE --><input type="checkbox" name="vote_id[]" id="vote_{poll_option.POLL_OPTION_ID}" value="{poll_option.POLL_OPTION_ID}"<!-- IF poll_option.POLL_OPTION_VOTED --> checked="checked"<!-- ENDIF --> /><!-- ELSE --><input type="radio" name="vote_id[]" id="vote_{poll_option.POLL_OPTION_ID}" value="{poll_option.POLL_OPTION_ID}"<!-- IF poll_option.POLL_OPTION_VOTED --> checked="checked"<!-- ENDIF --> /><!-- ENDIF --></dd><!-- ENDIF -->
 					<!-- IF S_DISPLAY_RESULTS --><dd class="resultbar"><div class="<!-- IF poll_option.POLL_OPTION_PCT < 20 -->pollbar1<!-- ELSEIF poll_option.POLL_OPTION_PCT < 40 -->pollbar2<!-- ELSEIF poll_option.POLL_OPTION_PCT < 60 -->pollbar3<!-- ELSEIF poll_option.POLL_OPTION_PCT < 80 -->pollbar4<!-- ELSE -->pollbar5<!-- ENDIF -->" style="width:{poll_option.POLL_OPTION_PERCENT};">{poll_option.POLL_OPTION_RESULT}</div></dd>
 					<dd><!-- IF poll_option.POLL_OPTION_RESULT == 0 -->{L_NO_VOTES}<!-- ELSE -->{poll_option.POLL_OPTION_PERCENT}<!-- ENDIF --></dd><!-- ENDIF -->
 				</dl>