diff --git a/drivers/mmc/mmc.c b/drivers/mmc/mmc.c
index 1a63f61..d6f4421 100644
--- a/drivers/mmc/mmc.c
+++ b/drivers/mmc/mmc.c
@@ -69,8 +69,7 @@
 		int i;
 
 		for (i = 0; i < 4; i++) {
-			*r_data = cmd.resp_data[i];
-			r_data++;
+			r_data[i] = cmd.resp_data[i];
 		}
 	}