diff --git a/ports/curl/build.sh b/ports/curl/build.sh
index fe901164..db9c81a2 100755
--- a/ports/curl/build.sh
+++ b/ports/curl/build.sh
@@ -31,7 +31,7 @@ if [ ! -d $CURL_VERSION ]; then
 		patch -ruN -d $CURL_VERSION < "$patch"
 	done
 
-	grep -qxF doom ../installed || echo curl >> ../installed
+	grep -qxF curl ../installed || echo curl >> ../installed
 fi
 
 cd $CURL_VERSION
@@ -55,4 +55,4 @@ fi
 
 cd "build-${BANAN_ARCH}"
 
-make && make install
+make -j $(nproc) && make install
diff --git a/ports/doom/build.sh b/ports/doom/build.sh
index 5cb35953..9530c65f 100755
--- a/ports/doom/build.sh
+++ b/ports/doom/build.sh
@@ -28,6 +28,6 @@ if [ ! -f doom1.wad ]; then
 	wget https://distro.ibiblio.org/slitaz/sources/packages/d/doom1.wad
 fi
 
-make --directory doomgeneric/doomgeneric --file Makefile.banan_os
+make --directory doomgeneric/doomgeneric --file Makefile.banan_os -j $(nproc)
 cp "doomgeneric/doomgeneric/build-${BANAN_ARCH}/doomgeneric" "${BANAN_SYSROOT}/bin/doom"
 cp doom1.wad $BANAN_SYSROOT/home/user/