diff --git a/CMakeLists.txt b/CMakeLists.txt
index 250b5157..d262a1f5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -6,8 +6,6 @@ endif ()
 
 project(banan-os CXX C ASM)
 
-set(BANAN_BASE_SYSROOT ${CMAKE_SOURCE_DIR}/base-sysroot.tar.gz)
-
 set(BANAN_INCLUDE ${BANAN_SYSROOT}/usr/include)
 set(BANAN_LIB     ${BANAN_SYSROOT}/usr/lib)
 set(BANAN_BIN     ${BANAN_SYSROOT}/usr/bin)
@@ -57,8 +55,3 @@ add_subdirectory(kernel)
 add_subdirectory(bootloader)
 add_subdirectory(BAN)
 add_subdirectory(userspace)
-
-add_custom_target(sysroot
-	COMMAND ${CMAKE_COMMAND} -E make_directory ${BANAN_SYSROOT}
-	COMMAND cd ${BANAN_SYSROOT} && tar xf ${BANAN_BASE_SYSROOT}
-)
diff --git a/script/build.sh b/script/build.sh
index aa4b3bd8..e31efe6f 100755
--- a/script/build.sh
+++ b/script/build.sh
@@ -66,6 +66,14 @@ run_bochs () {
 	$BANAN_SCRIPT_DIR/bochs.sh $@
 }
 
+if [ ! -d $BANAN_SYSROOT ]; then
+	mkdir -p $BANAN_SYSROOT
+
+	pushd $BANAN_SYSROOT
+	run_fakeroot tar xf ${BANAN_ROOT_DIR}/base-sysroot.tar.gz
+	popd
+fi
+
 if [ -v QEMU_ACCEL ]; then
 	:
 elif type kvm-ok &> /dev/null; then
diff --git a/userspace/libraries/LibC/CMakeLists.txt b/userspace/libraries/LibC/CMakeLists.txt
index 8ff1a9d6..cf7ec1fc 100644
--- a/userspace/libraries/LibC/CMakeLists.txt
+++ b/userspace/libraries/LibC/CMakeLists.txt
@@ -58,7 +58,6 @@ target_compile_options(objlibc PUBLIC -Wall -Wextra -Werror -Wno-error=stack-usa
 function(add_crtx crtx)
 	add_custom_target(${crtx}
 		COMMAND ${CMAKE_CXX_COMPILER} -c -o ${CMAKE_INSTALL_LIBDIR}/${crtx}.o ${CMAKE_CURRENT_SOURCE_DIR}/arch/${BANAN_ARCH}/${crtx}.S
-		DEPENDS sysroot
 	)
 	add_dependencies(objlibc ${crtx})
 endfunction()