diff --git a/sys/dev/pci/pci_user.c b/sys/dev/pci/pci_user.c
index 0496b3bf6c06..ef2f48ecb48d 100644
--- a/sys/dev/pci/pci_user.c
+++ b/sys/dev/pci/pci_user.c
@@ -854,7 +854,7 @@ pci_bar_mmap(device_t pcidev, struct pci_bar_mmap *pbm)
 	struct thread *td;
 	struct sglist *sg;
 	struct pci_map *pm;
-	vm_paddr_t membase;
+	rman_res_t membase;
 	vm_paddr_t pbase;
 	vm_size_t plen;
 	vm_offset_t addr;
@@ -877,9 +877,8 @@ pci_bar_mmap(device_t pcidev, struct pci_bar_mmap *pbm)
 		return (EBUSY); /* XXXKIB enable if _ACTIVATE */
 	if (!PCI_BAR_MEM(pm->pm_value))
 		return (EIO);
-	membase = pm->pm_value & PCIM_BAR_MEM_BASE;
-	error = BUS_TRANSLATE_RESOURCE(pcidev, SYS_RES_MEMORY, membase,
-	    &membase);
+	error = BUS_TRANSLATE_RESOURCE(pcidev, SYS_RES_MEMORY,
+	    pm->pm_value & PCIM_BAR_MEM_BASE, &membase);
 	if (error != 0)
 		return (error);