diff --git a/param.h b/param.h
index 4fd93ac3e..000c0cb7f 100644
--- a/param.h
+++ b/param.h
@@ -3162,7 +3162,7 @@ is a big desktop or server with abundant cache rather than a phone or embedded d
 #define ZGEMM_DEFAULT_Q 112
 
 #define SGEMM_DEFAULT_R 4096
-#define DGEMM_DEFAULT_R 12288
+#define DGEMM_DEFAULT_R  12288
 #define CGEMM_DEFAULT_R 4096
 #define ZGEMM_DEFAULT_R 4096