diff --git a/client/rest-high-level/src/main/java/org/elasticsearch/client/indexlifecycle/SetPriorityAction.java b/client/rest-high-level/src/main/java/org/elasticsearch/client/indexlifecycle/SetPriorityAction.java
index 414d2a52ad048..7989c8ee9f145 100644
--- a/client/rest-high-level/src/main/java/org/elasticsearch/client/indexlifecycle/SetPriorityAction.java
+++ b/client/rest-high-level/src/main/java/org/elasticsearch/client/indexlifecycle/SetPriorityAction.java
@@ -55,7 +55,7 @@ public static SetPriorityAction parse(XContentParser parser) {
     }
 
     public SetPriorityAction(@Nullable Integer recoveryPriority) {
-        if (recoveryPriority != null && recoveryPriority <= 0) {
+        if (recoveryPriority != null && recoveryPriority < 0) {
             throw new IllegalArgumentException("[" + RECOVERY_PRIORITY_FIELD.getPreferredName() + "] must be 0 or greater");
         }
         this.recoveryPriority = recoveryPriority;
diff --git a/client/rest-high-level/src/test/java/org/elasticsearch/client/indexlifecycle/SetPriorityActionTests.java b/client/rest-high-level/src/test/java/org/elasticsearch/client/indexlifecycle/SetPriorityActionTests.java
index f50935a87d398..bec0dd3276400 100644
--- a/client/rest-high-level/src/test/java/org/elasticsearch/client/indexlifecycle/SetPriorityActionTests.java
+++ b/client/rest-high-level/src/test/java/org/elasticsearch/client/indexlifecycle/SetPriorityActionTests.java
@@ -48,7 +48,7 @@ protected boolean supportsUnknownFields() {
     }
 
     public void testNonPositivePriority() {
-        Exception e = expectThrows(Exception.class, () -> new SetPriorityAction(randomIntBetween(-100, 0)));
+        Exception e = expectThrows(Exception.class, () -> new SetPriorityAction(randomIntBetween(-100, -1)));
         assertThat(e.getMessage(), equalTo("[priority] must be 0 or greater"));
     }
 
diff --git a/x-pack/plugin/core/src/test/java/org/elasticsearch/xpack/core/indexlifecycle/SetPriorityActionTests.java b/x-pack/plugin/core/src/test/java/org/elasticsearch/xpack/core/indexlifecycle/SetPriorityActionTests.java
index c0848f5326c40..302cf8cb9c6b8 100644
--- a/x-pack/plugin/core/src/test/java/org/elasticsearch/xpack/core/indexlifecycle/SetPriorityActionTests.java
+++ b/x-pack/plugin/core/src/test/java/org/elasticsearch/xpack/core/indexlifecycle/SetPriorityActionTests.java
@@ -38,9 +38,8 @@ protected Reader<SetPriorityAction> instanceReader() {
         return SetPriorityAction::new;
     }
 
-    @AwaitsFix(bugUrl="https://github.com/elastic/elasticsearch/issues/37652")
     public void testNonPositivePriority() {
-        Exception e = expectThrows(Exception.class, () -> new SetPriorityAction(randomIntBetween(-100, 0)));
+        Exception e = expectThrows(Exception.class, () -> new SetPriorityAction(randomIntBetween(-100, -1)));
         assertThat(e.getMessage(), equalTo("[priority] must be 0 or greater"));
     }