diff --git a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/SplitTableRegionProcedure.java b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/SplitTableRegionProcedure.java
index 2e2182b25d29..afa0f5e42b07 100644
--- a/hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/SplitTableRegionProcedure.java
+++ b/hbase-server/src/main/java/org/apache/hadoop/hbase/master/assignment/SplitTableRegionProcedure.java
@@ -392,7 +392,8 @@ protected void rollbackState(final MasterProcedureEnv env, final SplitTableRegio
           postRollBackSplitRegion(env);
           break;
         case SPLIT_TABLE_REGION_PREPARE:
-          break; // nothing to do
+          rollbackPrepareSplit(env);
+          break;
         default:
           throw new UnsupportedOperationException(this + " unhandled state=" + state);
       }
@@ -572,6 +573,18 @@ public boolean prepareSplitRegion(final MasterProcedureEnv env) throws IOExcepti
     return true;
   }
 
+  /**
+   * Rollback prepare split region
+   * @param env MasterProcedureEnv
+   */
+  private void rollbackPrepareSplit(final MasterProcedureEnv env) {
+    RegionStateNode parentRegionStateNode =
+      env.getAssignmentManager().getRegionStates().getRegionStateNode(getParentRegion());
+    if (parentRegionStateNode.getState() == State.SPLITTING) {
+      parentRegionStateNode.setState(State.OPEN);
+    }
+  }
+
   /**
    * Action before splitting region in a table.
    * @param env MasterProcedureEnv
diff --git a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/assignment/TestSplitTableRegionProcedure.java b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/assignment/TestSplitTableRegionProcedure.java
index 424dd32e1d50..92a67596b25e 100644
--- a/hbase-server/src/test/java/org/apache/hadoop/hbase/master/assignment/TestSplitTableRegionProcedure.java
+++ b/hbase-server/src/test/java/org/apache/hadoop/hbase/master/assignment/TestSplitTableRegionProcedure.java
@@ -49,6 +49,7 @@
 import org.apache.hadoop.hbase.coprocessor.RegionCoprocessor;
 import org.apache.hadoop.hbase.coprocessor.RegionCoprocessorEnvironment;
 import org.apache.hadoop.hbase.coprocessor.RegionObserver;
+import org.apache.hadoop.hbase.master.RegionState;
 import org.apache.hadoop.hbase.master.procedure.MasterProcedureConstants;
 import org.apache.hadoop.hbase.master.procedure.MasterProcedureEnv;
 import org.apache.hadoop.hbase.master.procedure.MasterProcedureTestingUtility;
@@ -242,6 +243,11 @@ public void testRollbackForSplitTableRegionWithReplica() throws Exception {
     // There should not be any active OpenRegionProcedure
     procExec.getActiveProceduresNoCopy()
       .forEach(p -> assertFalse(p instanceof OpenRegionProcedure));
+
+    // Check that procedure rollback reverted parent region state to OPEN
+    AssignmentManager am = UTIL.getHBaseCluster().getMaster().getAssignmentManager();
+    RegionStateNode regionStateNode = am.getRegionStates().getRegionStateNode(regions[0]);
+    assertEquals(RegionState.State.OPEN, regionStateNode.getState());
   }
 
   @Test