diff --git a/packages/perspective-viewer-datagrid/package.json b/packages/perspective-viewer-datagrid/package.json
index a4f99d0154..131f928054 100644
--- a/packages/perspective-viewer-datagrid/package.json
+++ b/packages/perspective-viewer-datagrid/package.json
@@ -40,9 +40,9 @@
     "dependencies": {
         "@finos/perspective": "^0.6.2",
         "@finos/perspective-viewer": "^0.6.2",
-        "regular-table": "=0.2.1"
+        "regular-table": "=0.3.1"
     },
     "devDependencies": {
         "@finos/perspective-test": "^0.6.2"
     }
-}
+}
\ No newline at end of file
diff --git a/packages/perspective-viewer-datagrid/src/js/regular_table_handlers.js b/packages/perspective-viewer-datagrid/src/js/regular_table_handlers.js
index cb7e89d448..e7b813ea8b 100644
--- a/packages/perspective-viewer-datagrid/src/js/regular_table_handlers.js
+++ b/packages/perspective-viewer-datagrid/src/js/regular_table_handlers.js
@@ -82,8 +82,8 @@ function get_psp_type(metadata) {
     }
 }
 
-async function sortHandler(regularTable, event) {
-    const meta = regularTable.getMeta(event.target);
+async function sortHandler(regularTable, event, target) {
+    const meta = regularTable.getMeta(target);
     const column_name = meta.column_header[meta.column_header.length - 1];
     const sort_method = event.shiftKey ? append_sort : override_sort;
     const sort = sort_method.call(this, column_name);
@@ -149,11 +149,23 @@ async function expandCollapseHandler(regularTable, event) {
 }
 
 function mousedownListener(regularTable, event) {
-    if (event.target.classList.contains("psp-tree-label") && event.offsetX < 26) {
+    if (event.which !== 1) {
+        return;
+    }
+
+    let target = event.target;
+    while (target.tagName !== "TD" && target.tagName !== "TH") {
+        target = target.parentElement;
+        if (!regularTable.contains(target)) {
+            return;
+        }
+    }
+
+    if (target.classList.contains("psp-tree-label") && event.offsetX < 26) {
         expandCollapseHandler.call(this, regularTable, event);
         event.handled = true;
-    } else if (event.target.classList.contains("psp-header-leaf") && !event.target.classList.contains("psp-header-corner")) {
-        sortHandler.call(this, regularTable, event);
+    } else if (target.classList.contains("psp-header-leaf") && !target.classList.contains("psp-header-corner")) {
+        sortHandler.call(this, regularTable, event, target);
         event.handled = true;
     }
 }
diff --git a/packages/perspective-viewer-datagrid/src/less/regular_table.less b/packages/perspective-viewer-datagrid/src/less/regular_table.less
index 7de8834592..2cd03c1868 100644
--- a/packages/perspective-viewer-datagrid/src/less/regular_table.less
+++ b/packages/perspective-viewer-datagrid/src/less/regular_table.less
@@ -4,12 +4,12 @@
 // Row Selection
 
 .psp-row-selected, :hover .psp-row-selected, :hover th.psp-tree-leaf.psp-row-selected, :hover th.psp-tree-label.psp-row-selected {
-    color: black !important;
+    color: white !important;
     background-color: #EA7319;
 }
 
 .psp-row-selected.psp-tree-label:not(:hover):before {
-    color: black;
+    color: white;
 }
 
 .psp-row-subselected, :hover .psp-row-subselected, :hover th.psp-tree-leaf.psp-row-subselected, :hover th.psp-tree-label.psp-row-subselected  {
diff --git a/yarn.lock b/yarn.lock
index a5a068b606..9bf4fe47e5 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -14617,10 +14617,10 @@ regjsparser@^0.6.4:
   dependencies:
     jsesc "~0.5.0"
 
-regular-table@=0.2.1:
-  version "0.2.1"
-  resolved "https://registry.yarnpkg.com/regular-table/-/regular-table-0.2.1.tgz#af3d1efeeebe7d8071eda4e0dda689b4683ae156"
-  integrity sha512-24cKRtO/Gkj1p16mvqvkqWCTJSngAtFhYea7bax9XzNjTOy2DAF/507bQE+5zjq/qydfFXOUpTjnAjyIC1E5ug==
+regular-table@=0.3.1:
+  version "0.3.1"
+  resolved "https://registry.yarnpkg.com/regular-table/-/regular-table-0.3.1.tgz#68bb61a8c70c735bd223d2dbac0a1000620068af"
+  integrity sha512-wsJF/Jyk5ltpyRiwzbXTomiVso2xIggbB1ZH4gUW4VWIL2zdg21yIp3B0TdKyzyFSYMyayL4lF5f6Sqsa/vn8w==
 
 relateurl@0.2.x, relateurl@^0.2.7:
   version "0.2.7"