diff --git a/libcontainer/cgroups/fs/pids.go b/libcontainer/cgroups/fs/pids.go
index 8f187a59e..f1e372055 100644
--- a/libcontainer/cgroups/fs/pids.go
+++ b/libcontainer/cgroups/fs/pids.go
@@ -4,6 +4,7 @@ package fs
 
 import (
 	"fmt"
+	"path/filepath"
 	"strconv"
 
 	"github.com/opencontainers/runc/libcontainer/cgroups"
@@ -52,12 +53,21 @@ func (s *PidsGroup) GetStats(path string, stats *cgroups.Stats) error {
 		return fmt.Errorf("failed to parse pids.current - %s", err)
 	}
 
-	max, err := getCgroupParamUint(path, "pids.max")
+	maxString, err := getCgroupParamString(path, "pids.max")
 	if err != nil {
 		return fmt.Errorf("failed to parse pids.max - %s", err)
 	}
 
+	// Default if pids.max == "max" is 0 -- which represents "no limit".
+	var max uint64
+	if maxString != "max" {
+		max, err = parseUint(maxString, 10, 64)
+		if err != nil {
+			return fmt.Errorf("failed to parse pids.max - unable to parse %q as a uint from Cgroup file %q", maxString, filepath.Join(path, "pids.max"))
+		}
+	}
+
 	stats.PidsStats.Current = current
-	stats.PidsStats.Max = max
+	stats.PidsStats.Limit = max
 	return nil
 }
diff --git a/libcontainer/cgroups/stats.go b/libcontainer/cgroups/stats.go
index 7eba44148..1b280fc71 100644
--- a/libcontainer/cgroups/stats.go
+++ b/libcontainer/cgroups/stats.go
@@ -55,7 +55,7 @@ type PidsStats struct {
 	// number of pids in the cgroup
 	Current uint64 `json:"current,omitempty"`
 	// active pids hard limit
-	Max uint64 `json:"max,omitempty"`
+	Limit uint64 `json:"limit,omitempty"`
 }
 
 type BlkioStatEntry struct {