diff --git a/Makefile b/Makefile
index ef266d7..6d1fa3e 100644
--- a/Makefile
+++ b/Makefile
@@ -17,10 +17,16 @@
 USER_PROGRAM_NAMES := $(USER_PROGRAMS:%=user/%)
 USER_PROGRAM_FILES := $(USER_PROGRAMS:%=initrd/%)
 
-run: $(USER_PROGRAM_NAMES) $(IMAGE_FILE)
+run: build initrd user/hlib $(USER_PROGRAM_NAMES) $(IMAGE_FILE)
 	@echo "starting qemu"
 	@$(EMU) $(EMUFLAGS)
 
+build:
+	@mkdir build
+
+initrd:
+	@mkdir initrd
+
 $(IMAGE_FILE): rootfs/boot/kernel rootfs/initrd.tar
 	@echo "creating the iso image"
 	@dd if=/dev/zero of=$(IMAGE_FILE) bs=512 count=32768 &&\

diff --git a/Makefile b/Makefile
index ef266d7..6d1fa3e 100644
--- a/Makefile
+++ b/Makefile
@@ -17,10 +17,16 @@
 USER_PROGRAM_NAMES := $(USER_PROGRAMS:%=user/%)
 USER_PROGRAM_FILES := $(USER_PROGRAMS:%=initrd/%)
 
-run: $(USER_PROGRAM_NAMES) $(IMAGE_FILE)
+run: build initrd user/hlib $(USER_PROGRAM_NAMES) $(IMAGE_FILE)
 	@echo "starting qemu"
 	@$(EMU) $(EMUFLAGS)
 
+build:
+	@mkdir build
+
+initrd:
+	@mkdir initrd
+
 $(IMAGE_FILE): rootfs/boot/kernel rootfs/initrd.tar
 	@echo "creating the iso image"
 	@dd if=/dev/zero of=$(IMAGE_FILE) bs=512 count=32768 &&\
diff --git a/src/userland/crashTest/Makefile b/src/userland/crashTest/Makefile
index 700f612..4b688db 100644
--- a/src/userland/crashTest/Makefile
+++ b/src/userland/crashTest/Makefile
@@ -1,5 +1,5 @@
 CC = i686-elf-gcc
-CCFLAGS = -m32 -mtune=generic -ffreestanding -nostdlib -c -I ../../include -I include -Wno-discarded-qualifiers -fms-extensions -Wno-shift-count-overflow -O0
+CCFLAGS = -m32 -mtune=generic -ffreestanding -nostdlib -c -I ../../include -I include -Wno-discarded-qualifiers -fms-extensions -Wno-shift-count-overflow -O0 -Wnodiv-by-zero
 LD = i686-elf-ld
 LD_FLAGS = -z max-page-size=0x1000 -T ../link.ld
 AS = nasm