diff --git a/sgdk/Makefile b/sgdk/Makefile
index 233b812..e5687b0 100644
--- a/sgdk/Makefile
+++ b/sgdk/Makefile
@@ -4,7 +4,7 @@ GENGCC_BIN=$(GENDEV)/bin
 SGDKDIR=$(CURDIR)/SGDK
 SAMPLESDIR=$(SGDKDIR)/sample
 
-SGDKVER=v1.40
+SGDKVER=v1.41
 SGDKINSTALLDIR=$(GENDEV)/sgdk$(SGDKVER)
 
 all: tools $(SGDKDIR) $(SGDKDIR)/libmd.a
diff --git a/sgdk/files/sgdk_v1.41.diff b/sgdk/files/sgdk_v1.41.diff
new file mode 100644
index 0000000..29f991f
--- /dev/null
+++ b/sgdk/files/sgdk_v1.41.diff
@@ -0,0 +1,31 @@
+diff --git a/makefile.gen b/makefile.gen
+index f12594d..d240b3f 100644
+--- a/makefile.gen
++++ b/makefile.gen
+@@ -25,6 +25,8 @@ BINTOS= $(BIN)/bintos
+ RESCOMP= $(JAVA) -jar $(BIN)/rescomp.jar
+ MKDIR= $(BIN)/mkdir
+ 
++include $(GENDEV)/sgdk/mkfiles/makefile.vars
++
+ SRC_C= $(wildcard *.c)
+ SRC_C+= $(wildcard $(SRC)/*.c)
+ SRC_S= $(wildcard *.s)
+diff --git a/tools/appack/makefile.elf b/tools/appack/makefile.elf
+index 63864f9..2826b2f 100644
+--- a/tools/appack/makefile.elf
++++ b/tools/appack/makefile.elf
+@@ -12,7 +12,12 @@ objects = appack.o
+ 
+ cflags  = -Wall -O2 -s
+ ldflags = $(cflags)
+-incdir  = ../lib/elf
++include ./makefile.vars
++ifeq ($(osBits), 32)
++  incdir  = ./lib/elf
++else
++  incdir  = ./lib/elf64
++endif
+ libs    = $(incdir)/aplib.a
+ 
+ .PHONY: all clean