diff --git a/.changeset/giant-crabs-swim.md b/.changeset/giant-crabs-swim.md
new file mode 100644
index 0000000000..421de5320b
--- /dev/null
+++ b/.changeset/giant-crabs-swim.md
@@ -0,0 +1,5 @@
+---
+"@digdir/designsystemet-react": patch
+---
+
+**Popover**: Fix controlled open state going out of sync
diff --git a/packages/react/src/components/popover/popover.tsx b/packages/react/src/components/popover/popover.tsx
index cf06549141..c662b23a9e 100644
--- a/packages/react/src/components/popover/popover.tsx
+++ b/packages/react/src/components/popover/popover.tsx
@@ -135,7 +135,7 @@ export const Popover = forwardRef<HTMLDivElement, PopoverProps>(
         if (controlledOpen && (isTrigger || isOutside)) {
           setInternalOpen(false);
           onClose?.();
-        } else if (isTrigger) {
+        } else if (!controlledOpen && isTrigger) {
           setInternalOpen(true);
           onOpen?.();
         }