diff --git a/nifi-daffodil-processors/src/main/java/com/owlcyberdefense/nifi/processors/AbstractDaffodilProcessor.java b/nifi-daffodil-processors/src/main/java/com/owlcyberdefense/nifi/processors/AbstractDaffodilProcessor.java
index 2556b51..7d7c325 100644
--- a/nifi-daffodil-processors/src/main/java/com/owlcyberdefense/nifi/processors/AbstractDaffodilProcessor.java
+++ b/nifi-daffodil-processors/src/main/java/com/owlcyberdefense/nifi/processors/AbstractDaffodilProcessor.java
@@ -80,7 +80,7 @@ public abstract class AbstractDaffodilProcessor extends AbstractProcessor {
             .description("Full path to the DFDL schema file that is to be used for parsing/unparsing.")
             .required(true)
             .expressionLanguageSupported(ExpressionLanguageScope.FLOWFILE_ATTRIBUTES)
-            .addValidator(StandardValidators.FILE_EXISTS_VALIDATOR)
+            .addValidator(StandardValidators.NON_EMPTY_VALIDATOR)
             .build();
 
     public static final PropertyDescriptor PRE_COMPILED_SCHEMA = new PropertyDescriptor.Builder()
diff --git a/nifi-daffodil-processors/src/test/java/com/owlcyberdefense/nifi/processors/TestDaffodilProcessor.java b/nifi-daffodil-processors/src/test/java/com/owlcyberdefense/nifi/processors/TestDaffodilProcessor.java
index ce9d386..5ae0a51 100644
--- a/nifi-daffodil-processors/src/test/java/com/owlcyberdefense/nifi/processors/TestDaffodilProcessor.java
+++ b/nifi-daffodil-processors/src/test/java/com/owlcyberdefense/nifi/processors/TestDaffodilProcessor.java
@@ -47,7 +47,13 @@ public class TestDaffodilProcessor {
     public void testDFDLSchemaNotFound() throws IOException {
         final TestRunner testRunner = TestRunners.newTestRunner(DaffodilParse.class);
         testRunner.setProperty(DaffodilParse.DFDL_SCHEMA_FILE, "/does/not/exist.dfdl.xsd");
-        testRunner.assertNotValid();
+        testRunner.assertValid();
+        testRunner.enqueue(Paths.get("src/test/resources/TestDaffodilProcessor/tokens.csv"));
+        testRunner.run();
+        testRunner.assertAllFlowFilesTransferred(DaffodilParse.REL_FAILURE);
+        final MockFlowFile original = testRunner.getFlowFilesForRelationship(DaffodilParse.REL_FAILURE).get(0);
+        final String expectedContent = new String(Files.readAllBytes(Paths.get("src/test/resources/TestDaffodilProcessor/tokens.csv")));
+        original.assertContentEquals(expectedContent);
     }
 
     @Test