diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 369dcf8a..a6d21342 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -19,7 +19,7 @@ build:
     - mkdir build
     - cd build
     - cmake -DCMAKE_BUILD_TYPE=Release ..
-    - make -j4
+    - make -j($nproc)
   artifacts:
     untracked: true
     paths:
diff --git a/README.md b/README.md
index 3c5113fc..645c76f4 100644
--- a/README.md
+++ b/README.md
@@ -30,7 +30,8 @@ git submodule update --init --recursive
 # If you want to build Mainnet node
 cmake -DCMAKE_BUILD_TYPE=Release
 # If you want to build Testnet node
-cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_PEERPLAYS_TESTNET=1
+cmake -DCMAKE_BUILD_TYPE=Release -DBUILD_PEERPLAYS_TESTNET=
+#Update -j flag depending on your current system specs; Recommended 4GB of RAM per 1 CPU core
 make -j$(nproc)
 
 make install # this can install the executable files under /usr/local