diff --git a/hw/qxl.h b/hw/qxl.h
index 5553824..4460bb2 100644
--- a/hw/qxl.h
+++ b/hw/qxl.h
@@ -129,8 +129,7 @@ typedef struct PCIQXLDevice {
         }                                                               \
     } while (0)
 
-#if 0
-/* spice-server 0.12 is still in development */
+#if SPICE_SERVER_VERSION >= 0x000c00 /* 0x000c00 == 0.12.0 */
 #define QXL_DEFAULT_REVISION QXL_REVISION_STABLE_V12
 #else
 #define QXL_DEFAULT_REVISION QXL_REVISION_STABLE_V10