diff --git a/.gitignore b/.gitignore
index 2b1f9be522..1b892036dd 100644
--- a/.gitignore
+++ b/.gitignore
@@ -47,4 +47,6 @@ gen
 
 .java-version
 .worktrees
-http-client.env.json
\ No newline at end of file
+http-client.env.json
+/doctest/sql-cli/
+.factorypath
diff --git a/ppl/src/main/java/org/opensearch/sql/ppl/parser/AstExpressionBuilder.java b/ppl/src/main/java/org/opensearch/sql/ppl/parser/AstExpressionBuilder.java
index e56eae83a6..4ce9ce2789 100644
--- a/ppl/src/main/java/org/opensearch/sql/ppl/parser/AstExpressionBuilder.java
+++ b/ppl/src/main/java/org/opensearch/sql/ppl/parser/AstExpressionBuilder.java
@@ -182,7 +182,7 @@ public UnresolvedExpression visitWcFieldExpression(WcFieldExpressionContext ctx)
   @Override
   public UnresolvedExpression visitSortField(SortFieldContext ctx) {
     return new Field(
-        qualifiedName(ctx.sortFieldExpression().fieldExpression().getText()),
+        visit(ctx.sortFieldExpression().fieldExpression().qualifiedName()),
         ArgumentFactory.getArgumentList(ctx)
     );
   }
diff --git a/ppl/src/test/java/org/opensearch/sql/ppl/parser/AstExpressionBuilderTest.java b/ppl/src/test/java/org/opensearch/sql/ppl/parser/AstExpressionBuilderTest.java
index 16a6ff63b4..3f3c0e50ba 100644
--- a/ppl/src/test/java/org/opensearch/sql/ppl/parser/AstExpressionBuilderTest.java
+++ b/ppl/src/test/java/org/opensearch/sql/ppl/parser/AstExpressionBuilderTest.java
@@ -301,6 +301,15 @@ public void testSortFieldWithMinusKeyword() {
         ));
   }
 
+  @Test
+  public void testSortFieldWithBackticks() {
+    assertEqual("source=t | sort `f`",
+        sort(
+            relation("t"),
+            field("f", defaultSortFieldArgs())
+        ));
+  }
+
   @Test
   public void testSortFieldWithAutoKeyword() {
     assertEqual("source=t | sort auto(f)",