diff --git a/.travis.yml b/.travis.yml
index 4f3c2f0..ece48cb 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -5,4 +5,5 @@ python:
 install:
   - pip install pycrypto
 script:
+  - make unittest
   - make test
diff --git a/Makefile b/Makefile
index 47d8561..ad54e28 100644
--- a/Makefile
+++ b/Makefile
@@ -64,6 +64,6 @@ unittest:
 	$(PYTHON) pdfminer/psparser.py
 
 test: cmap
-	cd samples && $(MAKE) test
+	cd samples && $(MAKE) clean test
 test_clean:
 	-cd samples && $(MAKE) clean
diff --git a/samples/nonfree/f1040nr.html.ref b/samples/nonfree/f1040nr.html.ref
index 5933a88..53f117c 100644
--- a/samples/nonfree/f1040nr.html.ref
+++ b/samples/nonfree/f1040nr.html.ref
@@ -269,9 +269,9 @@
 <br>Taxable amount (see page 13)
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diff --git a/samples/nonfree/f1040nr.xml.ref b/samples/nonfree/f1040nr.xml.ref
index 70bc2cd..40656d2 100644
--- a/samples/nonfree/f1040nr.xml.ref
+++ b/samples/nonfree/f1040nr.xml.ref
@@ -4976,16 +4976,16 @@
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+<text font="HelveticaNeue-Roman" bbox="184.848,236.096,187.350,246.590" size="10.494"> </text>
 <text>
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 </textline>
@@ -5936,8 +5936,8 @@
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 <textgroup bbox="85.308,26.338,451.829,403.890">
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@@ -5964,10 +5964,10 @@
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