diff --git a/CHANGELOG.asciidoc b/CHANGELOG.asciidoc
index ddca06c5dab..783ecfedaf6 100644
--- a/CHANGELOG.asciidoc
+++ b/CHANGELOG.asciidoc
@@ -33,6 +33,8 @@ https://github.com/elastic/beats/compare/v5.0.0-rc1...master[Check the HEAD diff
 
 *Metricbeat*
 
+- Fix high CPU usage on macOS when encountering processes with long command lines. {issue}2747[2747]
+
 *Packetbeat*
 
 *Topbeat*
diff --git a/glide.yaml b/glide.yaml
index cc845e086e0..dc4f9a7975f 100644
--- a/glide.yaml
+++ b/glide.yaml
@@ -25,7 +25,7 @@ import:
   subpackages:
   - /difflib
 - package: github.com/elastic/gosigar
-  version: 2716c1fe855ee5c88eae707195e0688374458c92
+  version: 286c817a8ced9b4206b891c81d874f8ec5fee866
 - package: github.com/samuel/go-parser
   version: ca8abbf65d0e61dedf061f98bd3850f250e27539
 - package: github.com/samuel/go-thrift
diff --git a/vendor/github.com/elastic/gosigar/sigar_darwin.go b/vendor/github.com/elastic/gosigar/sigar_darwin.go
index ed60ba04e35..3a9921cf61c 100644
--- a/vendor/github.com/elastic/gosigar/sigar_darwin.go
+++ b/vendor/github.com/elastic/gosigar/sigar_darwin.go
@@ -361,13 +361,19 @@ func kern_procargs(pid int,
 	binary.Read(bbuf, binary.LittleEndian, &argc)
 
 	path, err := bbuf.ReadBytes(0)
+	if err != nil {
+		return fmt.Errorf("Error reading the argv[0]: %v", err)
+	}
 	if exe != nil {
 		exe(string(chop(path)))
 	}
 
 	// skip trailing \0's
 	for {
-		c, _ := bbuf.ReadByte()
+		c, err := bbuf.ReadByte()
+		if err != nil {
+			return fmt.Errorf("Error skipping nils: %v", err)
+		}
 		if c != 0 {
 			bbuf.UnreadByte()
 			break // start of argv[0]
@@ -379,6 +385,9 @@ func kern_procargs(pid int,
 		if err == io.EOF {
 			break
 		}
+		if err != nil {
+			return fmt.Errorf("Error reading args: %v", err)
+		}
 		if argv != nil {
 			argv(string(chop(arg)))
 		}
@@ -395,6 +404,9 @@ func kern_procargs(pid int,
 		if err == io.EOF || line[0] == 0 {
 			break
 		}
+		if err != nil {
+			return fmt.Errorf("Error reading args: %v", err)
+		}
 		pair := bytes.SplitN(chop(line), delim, 2)
 		env(string(pair[0]), string(pair[1]))
 	}