diff --git a/docs/history.txt b/docs/history.txt
index 0760898..2fdf27e 100644
--- a/docs/history.txt
+++ b/docs/history.txt
@@ -4,6 +4,8 @@
     * ran source code .c and .h files through "indent"
     * fixed new printf bug
     * removed some duplicate documents
++ Changes Victor & Bart
+    * fixed sys.c fat32 detection bug (offset 0x10, not 0x2c)
 2001 Nov 17 - Build 2025b
 -------- Bart Oldeman (bart@dosemu.org)
 + Changes Tom
diff --git a/drivers/makefile b/drivers/makefile
index 17f2805..8a88e63 100644
--- a/drivers/makefile
+++ b/drivers/makefile
@@ -42,7 +42,7 @@ clobber:        clean
 	-$(RM) device.lib status.me ..\lib\device.lib
 
 clean:
-	-$(RM) *.obj *.bak *.crf *.xrf *.map *.lst *.cod
+	-$(RM) *.obj *.bak *.crf *.xrf *.map *.lst *.cod *.err
 
 device.lib : $(OBJS)
 	-$(RM) device.lib
diff --git a/kernel/makefile b/kernel/makefile
index 4e4316b..f0b22fe 100644
--- a/kernel/makefile
+++ b/kernel/makefile
@@ -100,7 +100,7 @@ clobber:        clean
 		-$(RM) kernel.exe kernel.sys status.me
 
 clean:
-		-$(RM) *.obj *.bak *.crf *.xrf *.map *.lst *.cod
+		-$(RM) *.obj *.bak *.crf *.xrf *.map *.lst *.cod *.err
 
 # XXX: This is a very ugly way of linking the kernel, forced upon us by the
 # inability of Turbo `make' 2.0 to perform command line redirection. -- ror4
diff --git a/sys/makefile b/sys/makefile
index 08ba330..14c11ac 100644
--- a/sys/makefile
+++ b/sys/makefile
@@ -49,7 +49,7 @@ clobber:	clean
 		-$(RM) bin2c.com sys.com b_fat12.h b_fat16.h b_fat32.h
 
 clean:
-		-$(RM) *.obj *.bak *.crf *.xrf *.map *.lst *.las *.cod status.me
+		-$(RM) *.obj *.bak *.crf *.xrf *.map *.lst *.las *.cod *.err status.me
 
 #		*Individual File Dependencies*
 bin2c.obj: bin2c.c
diff --git a/sys/sys.c b/sys/sys.c
index 37f52a8..e117a17 100644
--- a/sys/sys.c
+++ b/sys/sys.c
@@ -431,7 +431,7 @@ VOID put_boot(COUNT drive, BYTE * bsFile, BOOL both)
     }
     else
     {
-      if (*(unsigned long *)(x + 0x2c)  /* total number of clusters */
+      if (*(unsigned long *)(x + 0x10)  /* total number of clusters */
           > (unsigned)65526l)
       {
         fs = 32;
diff --git a/utils/makefile b/utils/makefile
index 20b628b..584fe6e 100644
--- a/utils/makefile
+++ b/utils/makefile
@@ -15,5 +15,5 @@ clobber: clean
 	$(RM) bin2c.com exeflat.exe patchobj.exe
 
 clean:
-	$(RM) *.obj *.bak *.crf *.xrf *.map *.lst *.las *.cod status.me
+	$(RM) *.obj *.bak *.crf *.xrf *.map *.lst *.las *.cod *.err status.me