diff --git a/loader/source/main.c b/loader/source/main.c
index 4bfda93..0799851 100644
--- a/loader/source/main.c
+++ b/loader/source/main.c
@@ -37,10 +37,13 @@ void main(int argc, char **argv)
         fbs[1] = fbsrc[1];
     }
 
-    u32 i;
-    for(i = 0; i < sizeof(absPath) - 1 && argv[0][i] != 0; i++)
-        absPath[i] = argv[0][i];
-    absPath[i] = 0;
+    if(argc >= 1)
+    {
+        u32 i;
+        for(i = 0; i < sizeof(absPath) - 1 && argv[0][i] != 0; i++)
+            absPath[i] = argv[0][i];
+        absPath[i] = 0;
+    }
 
     char *argvPassed[2] = {absPath, (char *)&fbs};
 
diff --git a/source/screen.c b/source/screen.c
index 5e3da56..c7e051c 100644
--- a/source/screen.c
+++ b/source/screen.c
@@ -44,7 +44,7 @@
 
 static const u32 brightness[4] = {0x5F, 0x4C, 0x39, 0x26};
 
-static volatile Arm11Operation *operation = (volatile Arm11Operation *)0x1FFFFFF0;
+static volatile Arm11Operation *operation = (volatile Arm11Operation *)0x1FF80004;
 
 struct fb fbs[2];