diff --git a/phpBB/styles/prosilver/theme/tweaks.css b/phpBB/styles/prosilver/theme/tweaks.css
index 416c4a5510..cdef01965e 100644
--- a/phpBB/styles/prosilver/theme/tweaks.css
+++ b/phpBB/styles/prosilver/theme/tweaks.css
@@ -28,4 +28,9 @@ dl.details dd {
 /* Headerbar height fix for IE7 */
 #site-description p {
 	*margin-bottom: 1.0em;
+}
+
+/* Clear float fix for IE7 */
+.inner {
+	zoom: 1;
 }
\ No newline at end of file