1 files changed, 7 insertions, 1 deletions

diff --git a/src/tests/bzip2.cpp b/src/tests/bzip2.cpp
index 88c5a5d..de7c034 100644
--- a/src/tests/bzip2.cpp
+++ b/src/tests/bzip2.cpp
@@ -10,10 +10,16 @@
 
 int main( int argc, char *argv[] )
 {
+        if( argc < 3 )
+        {
+                printf("usage:  %s <in> <out>\n", argv[0] );
+                return -1;
+        }
+
         char buf[1024];
         size_t nRead;
 
-        Bu::File f( "test.bz2", "wb" );
+        Bu::File f( argv[0], "wb" );
         Bu::BZip2 bz2( f );
 
         Bu::File fin( argv[1], "rb");