diff --git a/packages/jaeger-ui/src/components/TracePage/TraceTimelineViewer/SpanDetail/KeyValuesTable.css b/packages/jaeger-ui/src/components/TracePage/TraceTimelineViewer/SpanDetail/KeyValuesTable.css
index 07be25c6b0..c709ec4c03 100644
--- a/packages/jaeger-ui/src/components/TracePage/TraceTimelineViewer/SpanDetail/KeyValuesTable.css
+++ b/packages/jaeger-ui/src/components/TracePage/TraceTimelineViewer/SpanDetail/KeyValuesTable.css
@@ -45,7 +45,7 @@ limitations under the License.
 }
 
 .KeyValueTable--row:not(:hover) > .KeyValueTable--copyColumn > .KeyValueTable--copyIcon {
-  display: none;
+  visibility: hidden;
 }
 
 .KeyValueTable--row > td {