diff --git a/easyinstall.sh b/easyinstall.sh
index 3b8536ee..af9de537 100755
--- a/easyinstall.sh
+++ b/easyinstall.sh
@@ -79,7 +79,8 @@ function installRaScsi() {
 
     cd "$BASE/src/raspberrypi" || exit 1
 
-    ( make clean && make -j $(nproc) all CONNECT_TYPE="${CONNECT_TYPE-FULLSPEC}" && sudo make install CONNECT_TYPE="${CONNECT_TYPE-FULLSPEC}" ) </dev/null
+    echo "Compiling with ${CORES-1} simultaneous cores..."
+    ( make clean && make -j "${CORES-1}" all CONNECT_TYPE="${CONNECT_TYPE-FULLSPEC}" && sudo make install CONNECT_TYPE="${CONNECT_TYPE-FULLSPEC}" ) </dev/null
 
     sudo sed -i "s@^ExecStart.*@& -F $VIRTUAL_DRIVER_PATH@" /etc/systemd/system/rascsi.service
     echo "Configured rascsi.service to use $VIRTUAL_DRIVER_PATH as default image dir."
@@ -753,9 +754,12 @@ while [ "$1" != "" ]; do
         -c | --connect_type)
             CONNECT_TYPE=$VALUE
             ;;
-	-r | --run_choice)
-	    RUN_CHOICE=$VALUE
-	    ;;
+        -r | --run_choice)
+            RUN_CHOICE=$VALUE
+            ;;
+        -j | --cores)
+            CORES=$VALUE
+            ;;
         *)
             echo "ERROR: unknown parameter \"$PARAM\""
             exit 1