diff --git a/memory.c b/memory.c
index 496d39e6c1..76014806d1 100644
--- a/memory.c
+++ b/memory.c
@@ -30,8 +30,8 @@ void memory_protect(void)
 #if MEMORY_PROTECT
 	// Reference STM32F205 Flash programming manual revision 5 http://www.st.com/resource/en/programming_manual/cd00233952.pdf
 	// Section 2.6 Option bytes
-	//                     set RDP level 2                   WRP for sectors 0 and 1                  flash option control register matches
-	if (((FLASH_OPTION_BYTES_1 & 0xFFEC) == 0xCCEC) && ((FLASH_OPTION_BYTES_2 & 0xFFF) == 0xFFC) && ((FLASH_OPTCR & 0x0FFFFFEC) == 0x0FFCCCED)) {
+	//                     set RDP level 2                   WRP for sectors 0 and 1            flash option control register matches
+	if (((FLASH_OPTION_BYTES_1 & 0xFFEC) == 0xCCEC) && ((FLASH_OPTION_BYTES_2 & 0xFFF) == 0xFFC) && (FLASH_OPTCR == 0x0FFCCCED)) {
 		return; // already set up correctly - bail out
 	}
 	flash_unlock_option_bytes();