diff --git a/tools/build-release.sh b/tools/build-release.sh
index a08ac84d4..51ce0339a 100755
--- a/tools/build-release.sh
+++ b/tools/build-release.sh
@@ -7,7 +7,7 @@ if [ x"$1" = x"--inside-docker" ]; then
     git clone /src /build
     cd /build
     ./configure
-    make -j3
+    make
     make install DESTDIR=/"$VER"
     cd /"$VER" && tar cvfz /release/clightning-"$VER".tar.gz -- *
     exit 0