diff --git a/webapp/src/main/webapp/themes/iph/css/query-builder-theme.css b/webapp/src/main/webapp/themes/iph/css/query-builder-theme.css
index caefbebe..eaaa2036 100644
--- a/webapp/src/main/webapp/themes/iph/css/query-builder-theme.css
+++ b/webapp/src/main/webapp/themes/iph/css/query-builder-theme.css
@@ -4,6 +4,10 @@ icons: {
 		error: 'fas fa-exclamation-triangle'
 }
 
+.rule-value-container > select{
+    max-width: 800px;
+}
+
 .query-builder, .query-builder * {
 	margin: 0;
 	padding: 0;
@@ -131,4 +135,4 @@ icons: {
 	font-size: 12px;
 	line-height: 1.5;
 	border-radius: 3px;
-}
\ No newline at end of file
+}