diff --git a/test/cc5x/SAMPLE1.C b/test/cc5x/sample1.c
similarity index 100%
rename from test/cc5x/SAMPLE1.C
rename to test/cc5x/sample1.c
diff --git a/test/cc5x/sample1.piklab b/test/cc5x/sample1.piklab
index f89a9dc..61263dc 100644
--- a/test/cc5x/sample1.piklab
+++ b/test/cc5x/sample1.piklab
@@ -4,7 +4,7 @@
     <device>16F690</device>
     <tool>cc5x</tool>
     <files>
-      <item>SAMPLE1.C</item>
+      <item>sample1.c</item>
     </files>
   </general>
 </piklab>