diff --git a/runtime/v1/shim/client/client.go b/runtime/v1/shim/client/client.go
index 9211c0052..a8afb0e48 100644
--- a/runtime/v1/shim/client/client.go
+++ b/runtime/v1/shim/client/client.go
@@ -182,10 +182,7 @@ func setupOOMScore(shimPid int) error {
 		return errors.Wrap(err, "get daemon OOM score")
 	}
 	shimScore := score + 1
-	if shimScore > sys.OOMScoreAdjMax {
-		shimScore = sys.OOMScoreAdjMax
-	}
-	if err := sys.SetOOMScore(shimPid, shimScore); err != nil {
+	if err := sys.AdjustOOMScore(shimPid, shimScore); err != nil {
 		return errors.Wrap(err, "set shim OOM score")
 	}
 	return nil
diff --git a/runtime/v2/shim/util_unix.go b/runtime/v2/shim/util_unix.go
index f4c7cfa55..9c505707e 100644
--- a/runtime/v2/shim/util_unix.go
+++ b/runtime/v2/shim/util_unix.go
@@ -61,10 +61,7 @@ func AdjustOOMScore(pid int) error {
 		return errors.Wrap(err, "get parent OOM score")
 	}
 	shimScore := score + 1
-	if shimScore > sys.OOMScoreAdjMax {
-		shimScore = sys.OOMScoreAdjMax
-	}
-	if err := sys.SetOOMScore(pid, shimScore); err != nil {
+	if err := sys.AdjustOOMScore(pid, shimScore); err != nil {
 		return errors.Wrap(err, "set shim OOM score")
 	}
 	return nil
diff --git a/sys/oom_linux.go b/sys/oom_linux.go
index 9f9586580..8e1e3f2f9 100644
--- a/sys/oom_linux.go
+++ b/sys/oom_linux.go
@@ -36,6 +36,17 @@ const (
 	OOMScoreAdjMax = 1000
 )
 
+// AdjustOOMScore sets the oom score for the provided pid. If the provided score
+// is out of range (-1000 - 1000), it is clipped to the min/max value.
+func AdjustOOMScore(pid, score int) error {
+	if score > OOMScoreAdjMax {
+		score = OOMScoreAdjMax
+	} else if score < OOMScoreAdjMin {
+		score = OOMScoreAdjMin
+	}
+	return SetOOMScore(pid, score)
+}
+
 // SetOOMScore sets the oom score for the provided pid
 func SetOOMScore(pid, score int) error {
 	if score > OOMScoreAdjMax || score < OOMScoreAdjMin {
diff --git a/sys/oom_unsupported.go b/sys/oom_unsupported.go
index 558340790..f5d7e9786 100644
--- a/sys/oom_unsupported.go
+++ b/sys/oom_unsupported.go
@@ -25,6 +25,14 @@ const (
 	OOMScoreAdjMax = 0
 )
 
+// AdjustOOMScore sets the oom score for the provided pid. If the provided score
+// is out of range (-1000 - 1000), it is clipped to the min/max value.
+//
+// Not implemented on Windows
+func AdjustOOMScore(pid, score int) error {
+	return nil
+}
+
 // SetOOMScore sets the oom score for the process
 //
 // Not implemented on Windows