diff --git a/QSPI_Drivers/MT25QL512/quadspi.c b/QSPI_Drivers/MT25QL512/quadspi.c
index 9b0e8da..3357419 100644
--- a/QSPI_Drivers/MT25QL512/quadspi.c
+++ b/QSPI_Drivers/MT25QL512/quadspi.c
@@ -210,8 +210,7 @@ QSPI_Configuration(void) {
 
 
     /*set dummy cycles*/
-    MODIFY_REG(reg, 0xF0F0, ((DUMMY_CLOCK_CYCLES_READ_QUAD << 4) |
-                             (DUMMY_CLOCK_CYCLES_READ_QUAD << 12)));
+    MODIFY_REG(reg, 0xF000, (DUMMY_CLOCK_CYCLES_READ_QUAD << 12));
 
 
     sCommand.Instruction = WRITE_VOL_CFG_REG_CMD;