diff --git a/PVRTCEncoder/test/CMakeLists.txt b/PVRTCEncoder/test/CMakeLists.txt
index c9aa3fb..42305cf 100644
--- a/PVRTCEncoder/test/CMakeLists.txt
+++ b/PVRTCEncoder/test/CMakeLists.txt
@@ -76,7 +76,7 @@ IF(PVRTEXLIB_FOUND)
 
   # Copy the .pvr files that we will use for testing...
   SET(TEST_IMAGES
-    gradient white gray
+    gradient white gray transparent
   )
   FOREACH(IMAGE ${TEST_IMAGES})
     FILE(COPY
diff --git a/PVRTCEncoder/test/DecompTestPVR.cpp b/PVRTCEncoder/test/DecompTestPVR.cpp
index fa62706..c78d9a4 100644
--- a/PVRTCEncoder/test/DecompTestPVR.cpp
+++ b/PVRTCEncoder/test/DecompTestPVR.cpp
@@ -119,3 +119,7 @@ TEST(Decompressor, DecompressGray) {
   ImageTester("gray.pvr");
 }
 
+TEST(Decompressor, DecompressTransparent) {
+  ImageTester("transparent.pvr");
+}
+
diff --git a/PVRTCEncoder/test/data/transparent.pvr b/PVRTCEncoder/test/data/transparent.pvr
new file mode 100644
index 0000000..2650727
Binary files /dev/null and b/PVRTCEncoder/test/data/transparent.pvr differ