diff --git a/CROSS-COMPILING.md b/CROSS-COMPILING.md
index 3e57309..ba18187 100644
--- a/CROSS-COMPILING.md
+++ b/CROSS-COMPILING.md
@@ -126,11 +126,11 @@ make odroidc2_defconfig
 
 ## COMPILING KERNEL
 * Compiling the devicetree blobs  
-`make -j 4 ARCH=arm64 CROSS_COMPILE=<LINARO_TOOLS_DIRECTORY>/bin/aarch64-linux-gnu- INSTALL_DTBS_PATH=/mnt/boot/dtbs/ dtbs`
+`make -j $(nproc) ARCH=arm64 CROSS_COMPILE=<LINARO_TOOLS_DIRECTORY>/bin/aarch64-linux-gnu- INSTALL_DTBS_PATH=/mnt/boot/dtbs/ dtbs`
 * Compiling the kernel  
-`make -j 4 ARCH=arm64 CROSS_COMPILE=<LINARO_TOOLS_DIRECTORY>/bin/aarch64-linux-gnu- INSTALL_PATH=/mnt/boot/ Image`
+`make -j $(nproc) ARCH=arm64 CROSS_COMPILE=<LINARO_TOOLS_DIRECTORY>/bin/aarch64-linux-gnu- INSTALL_PATH=/mnt/boot/ Image`
 * Compiling the modules  
-`make -j 4 ARCH=arm64 CROSS_COMPILE=<LINARO_TOOLS_DIRECTORY>/bin/aarch64-linux-gnu- INSTALL_MOD_PATH=/mnt/ modules`
+`make -j $(nproc) ARCH=arm64 CROSS_COMPILE=<LINARO_TOOLS_DIRECTORY>/bin/aarch64-linux-gnu- INSTALL_MOD_PATH=/mnt/ modules`
 * Installing the kernel to destination "/mnt/boot/Image"  
 `cp arch/arm64/boot/Image /mnt/boot/`
 * Creating the devicetree directory  
@@ -138,11 +138,11 @@ make odroidc2_defconfig
 * Installing the devicetree blobs to destination "/mnt/boot/dtbs/meson64_odroidc2.dtb"  
 `cp arch/arm64/boot/dts/meson64_odroidc2.dtb /mnt/boot/dtbs/`
 * Installing the modules to destination "INSTALL_MOD_PATH=/mnt/"  
-`make -j 4 ARCH=arm64 CROSS_COMPILE=<LINARO_TOOLS_DIRECTORY>/bin/aarch64-linux-gnu- INSTALL_MOD_PATH=/mnt/ modules_install`
+`make -j $(nproc) ARCH=arm64 CROSS_COMPILE=<LINARO_TOOLS_DIRECTORY>/bin/aarch64-linux-gnu- INSTALL_MOD_PATH=/mnt/ modules_install`
 * Compiling the firmware to destination "INSTALL_FW_PATH=/mnt/lib/firmware/"  
-`make -j 4 ARCH=arm64 CROSS_COMPILE=<LINARO_TOOLS_DIRECTORY>/bin/aarch64-linux-gnu- INSTALL_FW_PATH=/mnt/lib/firmware/ firmware_install`
+`make -j $(nproc) ARCH=arm64 CROSS_COMPILE=<LINARO_TOOLS_DIRECTORY>/bin/aarch64-linux-gnu- INSTALL_FW_PATH=/mnt/lib/firmware/ firmware_install`
 * Compiling the kernel C headers to destination "INSTALL_HDR_PATH=/mnt/usr/"  
-`make -j 4 ARCH=arm64 CROSS_COMPILE=<LINARO_TOOLS_DIRECTORY>/bin/aarch64-linux-gnu- INSTALL_HDR_PATH=/mnt/usr/ headers_install`  
+`make -j $(nproc) ARCH=arm64 CROSS_COMPILE=<LINARO_TOOLS_DIRECTORY>/bin/aarch64-linux-gnu- INSTALL_HDR_PATH=/mnt/usr/ headers_install`  
 
 
 ## BOOTLOADER
@@ -160,7 +160,7 @@ cd /mnt/boot
 git clone https://github.com/hardkernel/u-boot.git -b odroidc2-v2015.01
 cd u-boot
 make ARCH=arm64 CROSS_COMPILE=<LINARO_TOOLS_DIRECTORY>/bin/aarch64-linux-gnu- odroidc2_defconfig
-make -j4
+make -j $(nproc)
 cd boot
 ```