diff --git a/src/vulkan/wsi/wsi_common.c b/src/vulkan/wsi/wsi_common.c
index 2b82f44e87d..97c26d6b08a 100644
--- a/src/vulkan/wsi/wsi_common.c
+++ b/src/vulkan/wsi/wsi_common.c
@@ -782,7 +782,7 @@ wsi_GetPhysicalDeviceSurfaceSupportKHR(VkPhysicalDevice physicalDevice,
    VkResult res = iface->get_support(surface, wsi_device,
                                      queueFamilyIndex, pSupported);
    if (res == VK_SUCCESS) {
-      bool blit = wsi_device->queue_supports_blit & BITFIELD64_BIT(queueFamilyIndex);
+      bool blit = (wsi_device->queue_supports_blit & BITFIELD64_BIT(queueFamilyIndex)) != 0;
       *pSupported = (bool)*pSupported && blit;
    }
 
diff --git a/src/vulkan/wsi/wsi_common_win32.cpp b/src/vulkan/wsi/wsi_common_win32.cpp
index acc4136bda5..e614dae9782 100644
--- a/src/vulkan/wsi/wsi_common_win32.cpp
+++ b/src/vulkan/wsi/wsi_common_win32.cpp
@@ -114,7 +114,7 @@ wsi_GetPhysicalDeviceWin32PresentationSupportKHR(VkPhysicalDevice physicalDevice
 {
    VK_FROM_HANDLE(vk_physical_device, pdevice, physicalDevice);
    struct wsi_device *wsi_device = pdevice->wsi_device;
-   return wsi_device->queue_supports_blit & BITFIELD64_BIT(queueFamilyIndex);
+   return (wsi_device->queue_supports_blit & BITFIELD64_BIT(queueFamilyIndex)) != 0;
 }
 
 VKAPI_ATTR VkResult VKAPI_CALL