diff --git a/CHANGELOG.asciidoc b/CHANGELOG.asciidoc
index 653b82e8aeb..a64f47ae462 100644
--- a/CHANGELOG.asciidoc
+++ b/CHANGELOG.asciidoc
@@ -59,6 +59,7 @@ https://github.com/elastic/beats/compare/v6.0.0-beta2...master[Check the HEAD di
 - Fix documentation links in README.md files. {pull}5710[5710]
 - Fix logstash output debug message. {pull}5799{5799]
 - Fix isolation of modules when merging local and global field settings. {issue}5795[5795]
+- Fix panic when Events containing a float32 value are normalized. {pull}6129[6129]
 
 *Auditbeat*
 
diff --git a/libbeat/common/event.go b/libbeat/common/event.go
index c91abcd5415..c42e0172617 100644
--- a/libbeat/common/event.go
+++ b/libbeat/common/event.go
@@ -152,8 +152,10 @@ func normalizeValue(value interface{}, keys ...string) (interface{}, []error) {
 	case []int, []int8, []int16, []int32, []int64:
 	case uint, uint8, uint16, uint32, uint64:
 	case []uint, []uint8, []uint16, []uint32, []uint64:
-	case float32, float64:
+	case float64:
 		return Float(value.(float64)), nil
+	case float32:
+		return Float(value.(float32)), nil
 	case []float32, []float64:
 	case complex64, complex128:
 	case []complex64, []complex128:
diff --git a/libbeat/common/event_test.go b/libbeat/common/event_test.go
index 0ddceb046c1..24b0e040c16 100644
--- a/libbeat/common/event_test.go
+++ b/libbeat/common/event_test.go
@@ -237,6 +237,23 @@ func TestNormalizeValue(t *testing.T) {
 
 		assert.Equal(t, test.out, out, "Test case %v", i)
 	}
+
+	var floatTests = []struct {
+		in  interface{}
+		out interface{}
+	}{
+		{float32(1), float64(1)},
+		{float64(1), float64(1)},
+	}
+
+	for i, test := range floatTests {
+		out, err := normalizeValue(test.in)
+		if err != nil {
+			t.Error(err)
+			continue
+		}
+		assert.InDelta(t, test.out, float64(out.(Float)), 0.000001, "(approximate) Test case %v", i)
+	}
 }
 
 func TestNormalizeMapError(t *testing.T) {