diff --git a/tcl/target/omap3530.cfg b/tcl/target/omap3530.cfg
index 74edd7289..ba130a9cb 100644
--- a/tcl/target/omap3530.cfg
+++ b/tcl/target/omap3530.cfg
@@ -56,7 +56,7 @@ proc omap3_dbginit {target} {
      # General Cortex A8 debug initialisation
      cortex_a8 dbginit
      # Enable DBGU signal for OMAP353x
-     $target mww 0x5401d030 0x00002000
+     $target mww phys 0x5401d030 0x00002000
 }
 
 # be absolutely certain the JTAG clock will work with the worst-case