diff --git a/phpBB/adm/style/acp_ext_disable.html b/phpBB/adm/style/acp_ext_disable.html
index 3b09177a76..d2b5c46fe8 100644
--- a/phpBB/adm/style/acp_ext_disable.html
+++ b/phpBB/adm/style/acp_ext_disable.html
@@ -20,7 +20,7 @@
 	</fieldset>
 	</form>
 	<!-- ELSEIF S_NEXT_STEP -->
-		<div class="errorbox">
+		<div class="successbox notice">
 			<p>{L_EXTENSION_DISABLE_IN_PROGRESS}</p>
 		</div>
 	<!-- ELSE -->
diff --git a/phpBB/adm/style/acp_ext_enable.html b/phpBB/adm/style/acp_ext_enable.html
index 6bbd8c245b..8a4a35359e 100644
--- a/phpBB/adm/style/acp_ext_enable.html
+++ b/phpBB/adm/style/acp_ext_enable.html
@@ -26,7 +26,7 @@
 	</fieldset>
 	</form>
 	<!-- ELSEIF S_NEXT_STEP -->
-		<div class="errorbox">
+		<div class="successbox notice">
 			<p>{L_EXTENSION_ENABLE_IN_PROGRESS}</p>
 		</div>
 	<!-- ELSE -->