diff --git a/danio_gcc.sh b/danio_gcc.sh
index bac00dd..190a007 100755
--- a/danio_gcc.sh
+++ b/danio_gcc.sh
@@ -11,17 +11,13 @@ runit()
 	export PREFIX="`pwd`/rel-bin/${TARGET}"
 	export PATH="${PREFIX}/bin:${PATH}"
 	export OUT="`pwd`/out"
-	if uname -s | grep -q -i "linux"; then
+	if command -v nproc --version >/dev/null; then
 		export nproc="$(( `nproc --all` * 2 ))"
-	elif uname -s | grep -q -i "darwin"; then
+	elif command -v sysctl >/cev/null; then
 		export nproc="$(( `sysctl -n hw.ncpu` * 2 ))"
 	else
-		if command -v nproc >/dev/null; then
-			export nproc="$(( `nproc --all` * 2 ))"
-		else
-			#domyślnie dwa rdzenie
-			export nproc="2"
-		fi
+		#domyslnie dwa rdzenie
+		export nproc="2"
 	fi
 	export ARGS="--enable-multilib --enable-multiarch --enable-targets=all --disable-werror"
 	if [ "${buildnewlib}" -ne "0" ]; then