diff --git a/README.md b/README.md
index e38cb34d..efb4c97e 100644
--- a/README.md
+++ b/README.md
@@ -5,7 +5,7 @@
 </p>
 <p align="center">
 <a href="https://travis-ci.org/tidwall/tile38"><img src="https://travis-ci.org/tidwall/tile38.svg?branch=master" alt="Build Status"></a>
-<a href="https://github.com/tidwall/tile38/releases"><img src="https://img.shields.io/badge/version-1.4.0-green.svg" alt="Version"></a>
+<a href="https://github.com/tidwall/tile38/releases"><img src="https://img.shields.io/badge/version-1.4.1-green.svg" alt="Version"></a>
 </p>
 
 Tile38 is an open source (MIT licensed), in-memory geolocation data store, spatial index, and realtime geofence. It supports a variety of object types including lat/lon points, bounding boxes, XYZ tiles, Geohashes, and GeoJSON. 
diff --git a/build.sh b/build.sh
index 47b4a9c7..78daa8cb 100755
--- a/build.sh
+++ b/build.sh
@@ -1,7 +1,7 @@
 #!/bin/bash
 set -e
 
-VERSION="1.3.0"
+VERSION="1.4.1"
 PROTECTED_MODE="no"
 
 # Hardcode some values to the core package
diff --git a/controller/stats.go b/controller/stats.go
index 7e808f42..d20df309 100644
--- a/controller/stats.go
+++ b/controller/stats.go
@@ -7,7 +7,6 @@ import (
 	"runtime"
 	"sort"
 	"strings"
-	"syscall"
 	"time"
 
 	"github.com/tidwall/btree"
@@ -169,22 +168,6 @@ func (c *Controller) writeInfoStats(w *bytes.Buffer) {
 func (c *Controller) writeInfoReplication(w *bytes.Buffer) {
 	fmt.Fprintf(w, "connected_slaves:%d\r\n", len(c.aofconnM)) // Number of connected slaves
 }
-func (c *Controller) writeInfoCPU(w *bytes.Buffer) {
-	var selfRu syscall.Rusage
-	var cRu syscall.Rusage
-	syscall.Getrusage(syscall.RUSAGE_SELF, &selfRu)
-	syscall.Getrusage(syscall.RUSAGE_CHILDREN, &cRu)
-	fmt.Fprintf(w,
-		"used_cpu_sys:%.2f\r\n"+
-			"used_cpu_user:%.2f\r\n"+
-			"used_cpu_sys_children:%.2f\r\n"+
-			"used_cpu_user_children:%.2f\r\n",
-		float64(selfRu.Stime.Sec)+float64(selfRu.Stime.Usec/1000000),
-		float64(selfRu.Utime.Sec)+float64(selfRu.Utime.Usec/1000000),
-		float64(cRu.Stime.Sec)+float64(cRu.Stime.Usec/1000000),
-		float64(cRu.Utime.Sec)+float64(cRu.Utime.Usec/1000000),
-	)
-}
 func (c *Controller) writeInfoCluster(w *bytes.Buffer) {
 	fmt.Fprintf(w, "cluster_enabled:0\r\n")
 }
diff --git a/controller/stats_cpu.go b/controller/stats_cpu.go
new file mode 100644
index 00000000..a839aea8
--- /dev/null
+++ b/controller/stats_cpu.go
@@ -0,0 +1,18 @@
+// +build !linux,!darwin
+
+package controller
+
+import (
+	"bytes"
+	"fmt"
+)
+
+func (c *Controller) writeInfoCPU(w *bytes.Buffer) {
+	fmt.Fprintf(w,
+		"used_cpu_sys:%.2f\r\n"+
+			"used_cpu_user:%.2f\r\n"+
+			"used_cpu_sys_children:%.2f\r\n"+
+			"used_cpu_user_children:%.2f\r\n",
+		0, 0, 0, 0,
+	)
+}
diff --git a/controller/stats_cpu_darlin.go b/controller/stats_cpu_darlin.go
new file mode 100644
index 00000000..00e7cb4c
--- /dev/null
+++ b/controller/stats_cpu_darlin.go
@@ -0,0 +1,26 @@
+// +build linux darwin
+
+package controller
+
+import (
+	"bytes"
+	"fmt"
+	"syscall"
+)
+
+func (c *Controller) writeInfoCPU(w *bytes.Buffer) {
+	var selfRu syscall.Rusage
+	var cRu syscall.Rusage
+	syscall.Getrusage(syscall.RUSAGE_SELF, &selfRu)
+	syscall.Getrusage(syscall.RUSAGE_CHILDREN, &cRu)
+	fmt.Fprintf(w,
+		"used_cpu_sys:%.2f\r\n"+
+			"used_cpu_user:%.2f\r\n"+
+			"used_cpu_sys_children:%.2f\r\n"+
+			"used_cpu_user_children:%.2f\r\n",
+		float64(selfRu.Stime.Sec)+float64(selfRu.Stime.Usec/1000000),
+		float64(selfRu.Utime.Sec)+float64(selfRu.Utime.Usec/1000000),
+		float64(cRu.Stime.Sec)+float64(cRu.Stime.Usec/1000000),
+		float64(cRu.Utime.Sec)+float64(cRu.Utime.Usec/1000000),
+	)
+}