diff --git a/module/mr/css/diff.ui.css b/module/mr/css/diff.ui.css
index 8745e1591f..0245c12a32 100644
--- a/module/mr/css/diff.ui.css
+++ b/module/mr/css/diff.ui.css
@@ -69,4 +69,6 @@
 #monacoTabs .gap-x-5 {-moz-column-gap: 0; column-gap: 0;}
 #log .action-btn .btn {padding-left: .25rem; padding-right: .25rem;}
 
-.sidebar-left {z-index: 20;}
\ No newline at end of file
+.sidebar-left {z-index: 20;}
+
+.is-sidebar-resizing .repo-iframe {pointer-events: none;}
diff --git a/module/repo/css/common.ui.css b/module/repo/css/common.ui.css
index ef7237bc3a..d634809c28 100644
--- a/module/repo/css/common.ui.css
+++ b/module/repo/css/common.ui.css
@@ -61,3 +61,5 @@
 span.menu-toggle.nested-toggle-icon.is-empty {width: 0.1rem;}
 
 #repoDropmenu .icon-angle-right {display: none;}
+
+.is-sidebar-resizing .repo-iframe {pointer-events: none;}