diff --git a/CHANGELOG.asciidoc b/CHANGELOG.asciidoc
index 1f7566bd936..4156b0b1e81 100644
--- a/CHANGELOG.asciidoc
+++ b/CHANGELOG.asciidoc
@@ -47,6 +47,7 @@ https://github.com/elastic/beats/compare/v6.0.0-alpha1...master[Check the HEAD d
 - Add filtering to system filesystem metricset to remove relative mountpoints like those
   from Linux network namespaces. {pull}4370[4370]
 - Remove unnecessary print statement in schema apis {pull}4355[4355]
+- Fix type of field `haproxy.stat.check.health.last`. {issue}4407[4407]
 
 *Packetbeat*
 - Enable memcache filtering only if a port is specified in the config file. {issue}4335[4335]
diff --git a/metricbeat/docs/fields.asciidoc b/metricbeat/docs/fields.asciidoc
index f9856397403..e04e82ccf07 100644
--- a/metricbeat/docs/fields.asciidoc
+++ b/metricbeat/docs/fields.asciidoc
@@ -5188,8 +5188,9 @@ Time in ms that it took to finish the last health check.
 [float]
 === haproxy.stat.check.health.last
 
-type: long
+type: keyword
 
+The result of the last health check.
 
 
 [float]
@@ -5197,6 +5198,7 @@ type: long
 
 type: long
 
+Number of failed checks.
 
 
 [float]
diff --git a/metricbeat/module/haproxy/stat/_meta/fields.yml b/metricbeat/module/haproxy/stat/_meta/fields.yml
index 98b90c3ad03..2788f72cfe0 100644
--- a/metricbeat/module/haproxy/stat/_meta/fields.yml
+++ b/metricbeat/module/haproxy/stat/_meta/fields.yml
@@ -298,12 +298,14 @@
             Time in ms that it took to finish the last health check.
 
         - name: health.last
-          type: long
+          type: keyword
           description: >
+            The result of the last health check.
 
         - name: health.fail
           type: long
           description: >
+            Number of failed checks.
 
         - name: agent.last
           type: integer