diff --git a/compile_qemu_nyx.sh b/compile_qemu_nyx.sh
index 767c6f5180..cfa3d8a9c3 100755
--- a/compile_qemu_nyx.sh
+++ b/compile_qemu_nyx.sh
@@ -33,13 +33,13 @@ error () {
 compile_libraries (){
   echo "[!] compiling capstone4..."
   cd capstone_v4
-  make
+  make -j
   cd ..
   echo "[!] capstone4 is ready!"
 
   echo "[!] compiling libxdc..."
   cd libxdc
-  make
+  CFLAGS="-I../capstone_v4/include/" V=1 make libxdc.a
   cd ..
   echo "[!] libxdc is ready!"
 }