diff --git a/tengine/src/main/java/com/inteligr8/alfresco/module/alfmarkdown/CommonmarkTransformer.java b/tengine/src/main/java/com/inteligr8/alfresco/module/alfmarkdown/CommonmarkTransformer.java
index 1faf0eb..d6df554 100755
--- a/tengine/src/main/java/com/inteligr8/alfresco/module/alfmarkdown/CommonmarkTransformer.java
+++ b/tengine/src/main/java/com/inteligr8/alfresco/module/alfmarkdown/CommonmarkTransformer.java
@@ -71,7 +71,7 @@ public class CommonmarkTransformer implements Transformer {
 	throws IOException {
 		if (this.logger.isTraceEnabled())
 			this.logger.trace("transform('" + transformName + "', '" + sourceMimetype + "', '" + targetMimetype + "', " + transformOptions.keySet() + ", '" + sourceFile + "', '" + targetFile + "')");
-		if (!MediaType.TEXT_PLAIN_VALUE.equals(sourceMimetype))
+		if (!MediaType.TEXT_MARKDOWN_VALUE.equals(sourceMimetype))
 			throw new TransformException(HttpStatus.BAD_REQUEST.value(), "This transformer does not support source data of the '" + sourceMimetype + "' type");
 		
 		List<Extension> extensions = this.gatherExtensions(transformOptions);
diff --git a/tengine/src/main/java/com/inteligr8/alfresco/module/alfmarkdown/FlexmarkTransformer.java b/tengine/src/main/java/com/inteligr8/alfresco/module/alfmarkdown/FlexmarkTransformer.java
index 4eaaba4..994cda5 100644
--- a/tengine/src/main/java/com/inteligr8/alfresco/module/alfmarkdown/FlexmarkTransformer.java
+++ b/tengine/src/main/java/com/inteligr8/alfresco/module/alfmarkdown/FlexmarkTransformer.java
@@ -73,7 +73,7 @@ public class FlexmarkTransformer implements Transformer {
 	throws IOException {
 		if (this.logger.isTraceEnabled())
 			this.logger.trace("transform('" + transformName + "', '" + sourceMimetype + "', '" + targetMimetype + "', " + transformOptions.keySet() + ", '" + sourceFile + "', '" + targetFile + "')");
-		if (!MediaType.TEXT_PLAIN_VALUE.equals(sourceMimetype))
+		if (!MediaType.TEXT_MARKDOWN_VALUE.equals(sourceMimetype))
 			throw new TransformException(HttpStatus.BAD_REQUEST.value(), "This transformer does not support source data of the '" + sourceMimetype + "' type");
 
 		String profile = transformOptions.getOrDefault(RequestParamConstants.PROFILE, this.profile);
diff --git a/tengine/src/test/java/com/inteligr8/alfresco/module/alfmarkdown/TransformerTest.java b/tengine/src/test/java/com/inteligr8/alfresco/module/alfmarkdown/TransformerTest.java
index be38cda..882c6e6 100755
--- a/tengine/src/test/java/com/inteligr8/alfresco/module/alfmarkdown/TransformerTest.java
+++ b/tengine/src/test/java/com/inteligr8/alfresco/module/alfmarkdown/TransformerTest.java
@@ -1,11 +1,16 @@
 package com.inteligr8.alfresco.module.alfmarkdown;
 
+import java.io.File;
+import java.io.IOException;
+import java.net.URISyntaxException;
 import java.util.Arrays;
 import java.util.Collections;
 import java.util.List;
+import java.util.Map;
 
 import org.alfresco.transform.exceptions.TransformException;
 import org.alfresco.transformer.executors.Transformer;
+import org.jsoup.Jsoup;
 import org.junit.Assert;
 import org.junit.Test;
 import org.junit.runner.RunWith;
@@ -52,4 +57,31 @@ public abstract class TransformerTest {
 		}
 	}
 	
+	@Test
+	public void tryTransformQuick() throws IOException, URISyntaxException {
+		File targetFile = this.transform(Collections.emptyMap(), new File(this.getClass().getResource("/quick.md").toURI()));
+		try {
+			Assert.assertEquals(70L, targetFile.length());
+			
+			// is valid html
+			Jsoup.parse(targetFile, "utf-8");
+		} finally {
+			targetFile.delete();
+		}
+	}
+	
+	private File transform(Map<String, String> transformOptions, File sourceFile) throws IOException, TransformException {
+		File htmlFile = File.createTempFile("test-", ".html");
+		try {
+			this.getTransformer().transform(MediaType.TEXT_MARKDOWN_VALUE, MediaType.TEXT_HTML_VALUE, transformOptions, sourceFile, htmlFile);
+			return htmlFile;
+		} catch (RuntimeException re) {
+			htmlFile.delete();
+			throw re;
+		} catch (Error e) {
+			htmlFile.delete();
+			throw e;
+		}
+	}
+	
 }