diff --git a/include/stable-diffusion.h b/include/stable-diffusion.h
index 029c2ab1d..fe1c79d7a 100644
--- a/include/stable-diffusion.h
+++ b/include/stable-diffusion.h
@@ -120,7 +120,8 @@ enum sd_type_t {
     // SD_TYPE_IQ4_NL_4_8 = 37,
     // SD_TYPE_IQ4_NL_8_8 = 38,
     SD_TYPE_MXFP4 = 39,  // MXFP4 (1 block)
-    SD_TYPE_COUNT = 40,
+    SD_TYPE_NVFP4 = 40, // NVFP4 (4 blocks, E4M3 scale)
+    SD_TYPE_COUNT = 41,
 };
 
 enum sd_log_level_t {