diff --git a/BOOT/DSSBOOT.ASM b/BOOT/DSSBOOT.ASM
index 11278c2..29f6a5a 100644
--- a/BOOT/DSSBOOT.ASM
+++ b/BOOT/DSSBOOT.ASM
@@ -1179,9 +1179,13 @@ READ_FROM_FAT:	PUSH	HL
 		POP	HL
 		LD	A,0
 		RET
-		;
+;	;	;
+
+
+
 ////    ////    ////    ////    ////    ////    ////    ////    ////
    ////    ////    ////    ////    ////    ////    ////    ////    ////
+ ASSERT ($-ZERO_SECTOR_OF_BPB) <= LOADER_IN_BPB.MAX_SIZE, "---< CRITICAL ERROR! Loader is too big >----"
  DISPLAY "SECTORS 0 DATA ENDS:\t\t",/H,$,". Size: ",/D,$-ZERO_SECTOR_OF_BPB," b. Free: ",/D,LOADER_IN_BPB.MAX_SIZE-($-ZERO_SECTOR_OF_BPB)," b."
 ZERO_SECTOR_OF_BPB_END:
 ZERO_SECTOR_OF_BPB.Size	EQU ZERO_SECTOR_OF_BPB_END - ZERO_SECTOR_OF_BPB