diff --git a/param.h b/param.h
index 0ff59f400..860106991 100644
--- a/param.h
+++ b/param.h
@@ -1700,7 +1700,7 @@ USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 #define DGEMM_DEFAULT_Q 128
 #else
 #define SGEMM_DEFAULT_Q 384
-#define DGEMM_DEFAULT_Q 256
+#define DGEMM_DEFAULT_Q 128
 #endif
 #define CGEMM_DEFAULT_Q 192
 #define ZGEMM_DEFAULT_Q 128