diff --git a/toolkit/themes/pinstripe/global/resizer.css b/toolkit/themes/pinstripe/global/resizer.css
index e8cbbb59b5e..728f7b1da85 100644
--- a/toolkit/themes/pinstripe/global/resizer.css
+++ b/toolkit/themes/pinstripe/global/resizer.css
@@ -10,14 +10,20 @@ resizer[dir="right"] {
   cursor: ew-resize;
 }
 
-resizer[dir="topleft"],
-resizer[dir="bottomright"],
-resizer[dir="bottomend"][chromedir="ltr"] {
-  cursor: nwse-resize;
+resizer[dir="topleft"] {
+  cursor: nw-resize;
+}
+
+resizer[dir="bottomright"],
+resizer[dir="bottomend"][chromedir="ltr"] {
+  cursor: se-resize;
+}
+
+resizer[dir="topright"] {
+  cursor: ne-resize;
 }
 
-resizer[dir="topright"],
 resizer[dir="bottomleft"],
 resizer[dir="bottomend"][chromedir="rtl"] {
-  cursor: nesw-resize;
+  cursor: sw-resize;
 }
diff --git a/toolkit/themes/winstripe/global/resizer.css b/toolkit/themes/winstripe/global/resizer.css
index bf44ceac784..cf1fb39c4e6 100644
--- a/toolkit/themes/winstripe/global/resizer.css
+++ b/toolkit/themes/winstripe/global/resizer.css
@@ -10,16 +10,22 @@ resizer[dir="right"] {
   cursor: ew-resize;
 }
 
-resizer[dir="topleft"],
-resizer[dir="bottomright"],
-resizer[dir="bottomend"][chromedir="ltr"] {
-  cursor: nwse-resize;
+resizer[dir="topleft"] {
+  cursor: nw-resize;
+}
+
+resizer[dir="bottomright"],
+resizer[dir="bottomend"][chromedir="ltr"] {
+  cursor: se-resize;
+}
+
+resizer[dir="topright"] {
+  cursor: ne-resize;
 }
 
-resizer[dir="topright"],
 resizer[dir="bottomleft"],
 resizer[dir="bottomend"][chromedir="rtl"] {
-  cursor: nesw-resize;
+  cursor: sw-resize;
 }
 
 resizer[dir="bottomright"][chromedir="ltr"],