diff --git a/Makefile b/Makefile
index 1bc1a0d..762e6ad 100644
--- a/Makefile
+++ b/Makefile
@@ -56,7 +56,7 @@ ROMFS       :=	romfs
 #---------------------------------------------------------------------------------
 ARCH	:=	-march=armv8-a+crc+crypto -mtune=cortex-a57 -mtp=soft -fPIE
 
-CFLAGS	:=	-g -Wall -Wextra -O2 -ffunction-sections $(ARCH) $(DEFINES) $(INCLUDE) -D__SWITCH__
+CFLAGS	:=	-g -Wall -Wextra -Werror -O2 -ffunction-sections $(ARCH) $(DEFINES) $(INCLUDE) -D__SWITCH__
 CFLAGS	+=	-DVERSION_MAJOR=${VERSION_MAJOR} -DVERSION_MINOR=${VERSION_MINOR} -DVERSION_MICRO=${VERSION_MICRO} -DAPP_TITLE=\"${APP_TITLE}\" -DAPP_AUTHOR=\"${APP_AUTHOR}\" -DAPP_VERSION=\"${APP_VERSION}\"
 CFLAGS  +=  `freetype-config --cflags`
 CFLAGS  +=  `aarch64-none-elf-pkg-config zlib --cflags`
diff --git a/build.sh b/build.sh
index d550f17..2c3d8b4 100644
--- a/build.sh
+++ b/build.sh
@@ -23,7 +23,7 @@ for f in ./code_templates/*.c; do
     rm -f ./source/main.c
     cp $f ./source/main.c
     
-    make BUILD_TYPE="$filename" -j12
+    make BUILD_TYPE="$filename"
     
     mkdir ./code_templates/tmp/$filename
     cp ./$filename.nro ./code_templates/tmp/$filename/nxdumptool-rewrite.nro