diff --git a/build_rom_debug.sh b/build_rom_debug.sh
index 8a7d70f8..829db3e2 100755
--- a/build_rom_debug.sh
+++ b/build_rom_debug.sh
@@ -8,6 +8,9 @@ set -e
 cp ../x16-rom/build/x16/rom_labels.h src
 cp ../x16-rom/build/x16/rom_lst.h src
 
+# update ROM symbols (for keyboard injection)
+sh rom_symbols.sh
+
 # always force re-build of main.c because of updated rom_labels.h
 rm -f build/main.o
 
diff --git a/src/rom_symbols.h b/src/rom_symbols.h
index 83cbe6ec..32cdd62b 100644
--- a/src/rom_symbols.h
+++ b/src/rom_symbols.h
@@ -1,2 +1,2 @@
-#define NDX 0x00A60A
-#define KEYD 0x00A600
+#define NDX 0x00A80A
+#define KEYD 0x00A800