diff --git a/commands/unstack/unstack.sh b/commands/unstack/unstack.sh
index c7ea41a4c..0af45c9d3 100644
--- a/commands/unstack/unstack.sh
+++ b/commands/unstack/unstack.sh
@@ -50,7 +50,7 @@ SYMLIST=/tmp/unstack.$$
 # store sorted, filtered nm output once
 (
 $NM $executable | sed 's/^/0x/'
-$EXTRANM
+$EXTRANM | sed 's/^/0x/'
 
 # Add shared libraries
 ldd -f"%p %x\n" $executable 2>/dev/null | while read lib addr