diff --git a/CHANGELOG.next.asciidoc b/CHANGELOG.next.asciidoc
index dddf2b524a8..032e0250536 100644
--- a/CHANGELOG.next.asciidoc
+++ b/CHANGELOG.next.asciidoc
@@ -433,6 +433,7 @@ https://github.com/elastic/beats/compare/v7.0.0-alpha2...master[Check the HEAD d
 - Remove io.time from windows {pull}22237[22237]
 - Add interval information to `monitor` metricset in azure. {pull}22152[22152]
 - Change Session ID type from int to string {pull}22359[22359]
+- Fix filesystem types on Windows in filesystem metricset. {pull}22531[22531]
 
 *Packetbeat*
 
diff --git a/NOTICE.txt b/NOTICE.txt
index 640ee9045c7..04001e312bb 100644
--- a/NOTICE.txt
+++ b/NOTICE.txt
@@ -8267,11 +8267,11 @@ Contents of probable licence file $GOMODCACHE/github.com/elastic/go-ucfg@v0.8.3/
 
 --------------------------------------------------------------------------------
 Dependency : github.com/elastic/gosigar
-Version: v0.10.6-0.20200715000138-f115143bb233
+Version: v0.12.0
 Licence type (autodetected): Apache-2.0
 --------------------------------------------------------------------------------
 
-Contents of probable licence file $GOMODCACHE/github.com/elastic/gosigar@v0.10.6-0.20200715000138-f115143bb233/LICENSE:
+Contents of probable licence file $GOMODCACHE/github.com/elastic/gosigar@v0.12.0/LICENSE:
 
                               Apache License
                         Version 2.0, January 2004
diff --git a/go.mod b/go.mod
index 60a2299a32e..83c39ae0a20 100644
--- a/go.mod
+++ b/go.mod
@@ -72,7 +72,7 @@ require (
 	github.com/elastic/go-txfile v0.0.7
 	github.com/elastic/go-ucfg v0.8.3
 	github.com/elastic/go-windows v1.0.1 // indirect
-	github.com/elastic/gosigar v0.10.6-0.20200715000138-f115143bb233
+	github.com/elastic/gosigar v0.12.0
 	github.com/fatih/color v1.5.0
 	github.com/fsnotify/fsevents v0.1.1
 	github.com/fsnotify/fsnotify v1.4.7
diff --git a/go.sum b/go.sum
index 697368fe0ab..fb1b0b64c0d 100644
--- a/go.sum
+++ b/go.sum
@@ -278,8 +278,8 @@ github.com/elastic/go-ucfg v0.8.3/go.mod h1:iaiY0NBIYeasNgycLyTvhJftQlQEUO2hpF+F
 github.com/elastic/go-windows v1.0.0/go.mod h1:TsU0Nrp7/y3+VwE82FoZF8gC/XFg/Elz6CcloAxnPgU=
 github.com/elastic/go-windows v1.0.1 h1:AlYZOldA+UJ0/2nBuqWdo90GFCgG9xuyw9SYzGUtJm0=
 github.com/elastic/go-windows v1.0.1/go.mod h1:FoVvqWSun28vaDQPbj2Elfc0JahhPB7WQEGa3c814Ss=
-github.com/elastic/gosigar v0.10.6-0.20200715000138-f115143bb233 h1:PvAAw8rXlg0maTAhdJznCmlzVZIKPwD2BP1pljuncLA=
-github.com/elastic/gosigar v0.10.6-0.20200715000138-f115143bb233/go.mod h1:cdorVVzy1fhmEqmtgqkoE3bYtCfSCkVyjTyCIo22xvs=
+github.com/elastic/gosigar v0.12.0 h1:AsdhYCJlTudhfOYQyFNgx+fIVTfrDO0V1ST0vHgiapU=
+github.com/elastic/gosigar v0.12.0/go.mod h1:iXRIGg2tLnu7LBdpqzyQfGDEidKCfWcCMS0WKyPWoMs=
 github.com/elastic/sarama v1.19.1-0.20200629123429-0e7b69039eec h1:rAHd7DeHIHjSzvnkl197GKh9TCWGKg/z2BBbbGOEiWI=
 github.com/elastic/sarama v1.19.1-0.20200629123429-0e7b69039eec/go.mod h1:X690XXMxlbtN8c7xcpsENKNlbj8VClCZ2hwSOhSyNmE=
 github.com/elazarl/goproxy v0.0.0-20180725130230-947c36da3153 h1:yUdfgN0XgIJw7foRItutHYUIhlcKzcSf5vDpdhQAKTc=
@@ -845,6 +845,7 @@ golang.org/x/sync v0.0.0-20190911185100-cd5d95a43a6e/go.mod h1:RxMgew5VJxzue5/jJ
 golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a h1:WXEvlFVvvGxCJLG6REjsT03iWnKLEWinaScsxF2Vm2o=
 golang.org/x/sync v0.0.0-20200317015054-43a5402ce75a/go.mod h1:RxMgew5VJxzue5/jJTE5uejpjVlOe/izrB70Jof72aM=
 golang.org/x/sys v0.0.0-20170830134202-bb24a47a89ea/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
+golang.org/x/sys v0.0.0-20180810173357-98c5dad5d1a0/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180830151530-49385e6e1522/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180905080454-ebe1bf3edb33/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
 golang.org/x/sys v0.0.0-20180909124046-d0be0721c37e/go.mod h1:STP8DvDyc/dI5b8T5hshtkjS+E42TnysNCUPdjciGhY=
diff --git a/metricbeat/module/system/filesystem/helper.go b/metricbeat/module/system/filesystem/helper.go
index 9238df79f59..77c8bf3244f 100644
--- a/metricbeat/module/system/filesystem/helper.go
+++ b/metricbeat/module/system/filesystem/helper.go
@@ -116,18 +116,11 @@ func GetFileSystemStat(fs sigar.FileSystem) (*FSStat, error) {
 		return nil, err
 	}
 
-	var t string
-	if runtime.GOOS == "windows" {
-		t = fs.TypeName
-	} else {
-		t = fs.SysTypeName
-	}
-
 	filesystem := FSStat{
 		FileSystemUsage: stat,
 		DevName:         fs.DevName,
 		Mount:           fs.DirName,
-		SysTypeName:     t,
+		SysTypeName:     fs.SysTypeName,
 	}
 
 	return &filesystem, nil