diff --git a/src/intel/vulkan/anv_device.c b/src/intel/vulkan/anv_device.c
index 8943b5473a3..158d6734d35 100644
--- a/src/intel/vulkan/anv_device.c
+++ b/src/intel/vulkan/anv_device.c
@@ -2016,7 +2016,7 @@ void anv_GetPhysicalDeviceProperties(
        * Since the Windows driver does the same, it's probably fair to assume
        * that no one needs more than this.
        */
-      .lineWidthRange                           = { 0.0, 8.0 },
+      .lineWidthRange                           = { 0.0, 7.9921875 },
       .pointSizeGranularity                     = (1.0 / 8.0),
       .lineWidthGranularity                     = (1.0 / 128.0),
       .strictLines                              = false,