diff --git a/build_scripts/toolchain.mk b/build_scripts/toolchain.mk
index 71e5858..2d46286 100644
--- a/build_scripts/toolchain.mk
+++ b/build_scripts/toolchain.mk
@@ -8,8 +8,8 @@ BINUTILS_BUILD = toolchain/binutils-build-$(BINUTILS_VERSION)
 
 toolchain_binutils: $(TOOLCHAIN_PREFIX)/bin/i686-elf-ld
 
-$(TOOLCHAIN_PREFIX)/bin/i686-elf-ld: $(BINUTILS_SRC).tar.xz
-	cd toolchain && tar -xf binutils-$(BINUTILS_VERSION).tar.xz
+$(TOOLCHAIN_PREFIX)/bin/i686-elf-ld: $(BINUTILS_SRC).tar.gz
+	cd toolchain && tar -xf binutils-$(BINUTILS_VERSION).tar.gz
 	mkdir $(BINUTILS_BUILD)
 	cd $(BINUTILS_BUILD) && CFLAGS= ASMFLAGS= CC= CXX= LD= ASM= LINKFLAGS= LIBS= ../binutils-$(BINUTILS_VERSION)/configure \
 		--prefix="$(TOOLCHAIN_PREFIX)"	\
@@ -20,7 +20,7 @@ $(TOOLCHAIN_PREFIX)/bin/i686-elf-ld: $(BINUTILS_SRC).tar.xz
 	$(MAKE) -j8 -C $(BINUTILS_BUILD)
 	$(MAKE) -C $(BINUTILS_BUILD) install
 
-$(BINUTILS_SRC).tar.xz:
+$(BINUTILS_SRC).tar.gz:
 	mkdir -p toolchain 
 	cd toolchain && wget $(BINUTILS_URL)
 
@@ -30,8 +30,8 @@ GCC_BUILD = toolchain/gcc-build-$(GCC_VERSION)
 
 toolchain_gcc: $(TOOLCHAIN_PREFIX)/bin/i686-elf-gcc
 
-$(TOOLCHAIN_PREFIX)/bin/i686-elf-gcc: $(TOOLCHAIN_PREFIX)/bin/i686-elf-ld $(GCC_SRC).tar.xz
-	cd toolchain && tar -xf gcc-$(GCC_VERSION).tar.xz
+$(TOOLCHAIN_PREFIX)/bin/i686-elf-gcc: $(TOOLCHAIN_PREFIX)/bin/i686-elf-ld $(GCC_SRC).tar.gz
+	cd toolchain && tar -xf gcc-$(GCC_VERSION).tar.gz
 	mkdir $(GCC_BUILD)
 	cd $(GCC_BUILD) && CFLAGS= ASMFLAGS= CC= CXX= LD= ASM= LINKFLAGS= LIBS= ../gcc-$(GCC_VERSION)/configure \
 		--prefix="$(TOOLCHAIN_PREFIX)" 	\
@@ -42,7 +42,7 @@ $(TOOLCHAIN_PREFIX)/bin/i686-elf-gcc: $(TOOLCHAIN_PREFIX)/bin/i686-elf-ld $(GCC_
 	$(MAKE) -j8 -C $(GCC_BUILD) all-gcc all-target-libgcc
 	$(MAKE) -C $(GCC_BUILD) install-gcc install-target-libgcc
 	
-$(GCC_SRC).tar.xz:
+$(GCC_SRC).tar.gz:
 	mkdir -p toolchain
 	cd toolchain && wget $(GCC_URL)