diff --git a/ui/src/components/InlineEntitySelector.tsx b/ui/src/components/InlineEntitySelector.tsx
index 6897f881f..ca2c54028 100644
--- a/ui/src/components/InlineEntitySelector.tsx
+++ b/ui/src/components/InlineEntitySelector.tsx
@@ -158,10 +158,7 @@ export const InlineEntitySelector = forwardRef<HTMLButtonElement, InlineEntitySe
               }
             }}
           />
-          <div
-            className="max-h-56 overflow-y-auto overscroll-contain py-1 touch-pan-y"
-            style={{ WebkitOverflowScrolling: "touch" }}
-          >
+          <div className="max-h-56 overflow-y-auto overscroll-contain py-1 touch-pan-y">
             {filteredOptions.length === 0 ? (
               <p className="px-2 py-2 text-xs text-muted-foreground">{emptyMessage}</p>
             ) : (
@@ -173,7 +170,7 @@ export const InlineEntitySelector = forwardRef<HTMLButtonElement, InlineEntitySe
                     key={option.id || "__none__"}
                     type="button"
                     className={cn(
-                      "flex w-full items-center gap-2 rounded px-2 py-1.5 text-left text-sm touch-pan-y",
+                      "flex w-full items-center gap-2 rounded px-2 py-1.5 text-left text-sm",
                       isHighlighted && "bg-accent",
                     )}
                     onMouseEnter={() => setHighlightedIndex(index)}
diff --git a/ui/src/components/NewIssueDialog.tsx b/ui/src/components/NewIssueDialog.tsx
index 6b872c285..7e16559f2 100644
--- a/ui/src/components/NewIssueDialog.tsx
+++ b/ui/src/components/NewIssueDialog.tsx
@@ -522,6 +522,18 @@ export function NewIssueDialog() {
             : "sm:max-w-lg"
         )}
         onKeyDown={handleKeyDown}
+        onPointerDownOutside={(event) => {
+          // Radix Dialog's modal DismissableLayer calls preventDefault() on
+          // pointerdown events that originate outside the Dialog DOM tree.
+          // Popover portals render at the body level (outside the Dialog), so
+          // touch events on popover content get their default prevented — which
+          // kills scroll gesture recognition on mobile.  Telling Radix "this
+          // event is handled" skips that preventDefault, restoring touch scroll.
+          const target = event.detail.originalEvent.target as HTMLElement | null;
+          if (target?.closest("[data-radix-popper-content-wrapper]")) {
+            event.preventDefault();
+          }
+        }}
       >
         {/* Header bar */}
         <div className="flex items-center justify-between px-4 py-2.5 border-b border-border shrink-0">