diff -urN boomerang.org/boomerang.cpp boomerang/boomerang.cpp
--- boomerang.org/boomerang.cpp	2004-07-09 00:22:50.488941368 +0200
+++ boomerang/boomerang.cpp	2004-07-09 00:37:52.418827184 +0200
@@ -212,20 +212,7 @@
 int Boomerang::commandLine(int argc, const char **argv) 
 {
     if (argc < 2) usage();
-    progPath = argv[0];
-    // Chop off after the last slash
-    size_t j = progPath.rfind("/");
-    if (j == (size_t)-1) 
-        j = progPath.rfind("\\");
-    if (j != (size_t)-1)
-    {
-        // Do the chop; keep the trailing slash
-        progPath = progPath.substr(0, j+1);
-    }
-    else {
-        std::cerr << "? No slash in argv[0]!" << std::endl;
-        return 1;
-    }
+    progPath = BOOMDIR + "/";
     outputPath = "./";
 
     // Parse switches on command line