diff --git a/docs/envvars.rst b/docs/envvars.rst
index 9b200f8756a..1ecac8ed2c5 100644
--- a/docs/envvars.rst
+++ b/docs/envvars.rst
@@ -1658,9 +1658,10 @@ RADV driver environment variables
      no HiZ workaround is enabled, use at your own risk but optimal for performance
    ``partial``
      mitigate the issue partially, potentially risky but performance should be
-     mostly optimal (default value)
+     mostly optimal
    ``full``
      mitigate the issue completely, no risk but performance might be decreased
+     (default value)
 
 RadeonSI driver environment variables
 -------------------------------------
diff --git a/src/amd/vulkan/radv_physical_device.c b/src/amd/vulkan/radv_physical_device.c
index 219b2e9c7bd..b6095498a19 100644
--- a/src/amd/vulkan/radv_physical_device.c
+++ b/src/amd/vulkan/radv_physical_device.c
@@ -2315,7 +2315,7 @@ radv_physical_device_try_create(struct radv_instance *instance, drmDevicePtr drm
    if (pdev->info.gfx_level == GFX12) {
       const char *gfx12_hiz_wa_str = instance->drirc.performance.gfx12_hiz_wa;
 
-      pdev->gfx12_hiz_wa = RADV_GFX12_HIZ_WA_PARTIAL; /* Default */
+      pdev->gfx12_hiz_wa = RADV_GFX12_HIZ_WA_FULL; /* Default */
 
       if (strlen(gfx12_hiz_wa_str) > 0) {
          if (!strcmp(gfx12_hiz_wa_str, "disabled")) {