diff --git a/resources/PortableInfobox.less b/resources/PortableInfobox.less
index caeac89..a067bcd 100644
--- a/resources/PortableInfobox.less
+++ b/resources/PortableInfobox.less
@@ -130,6 +130,9 @@
 		line-height: inherit;
 	}
 	.pi-data-value {
+		flex-basis: 200px;
+		-webkit-flex-basis: 200px;
+		-moz-flex-basis: 200px;
 		> :not( ul ),
 		li {
 			margin: 0;
@@ -527,4 +530,4 @@
 		line-height: inherit;
 		margin: 0;
 	}
-}
\ No newline at end of file
+}