1 files changed, 3 insertions, 4 deletions

diff --git a/apps/plugins/zxbox/z80.c b/apps/plugins/zxbox/z80.c
index 90b41c93d3..f6f1de7468 100644
--- a/apps/plugins/zxbox/z80.c
+++ b/apps/plugins/zxbox/z80.c
@@ -25,11 +25,10 @@
 #include <time.h>
 #include "zxconfig.h"
 #include "helpers.h"
-Z80 PRNM(proc);
-
-byte PRNM(inports)[PORTNUM];
-byte PRNM(outports)[PORTNUM];
+Z80 PRNM(proc) IBSS_ATTR;
 
+byte PRNM(inports)[PORTNUM] IBSS_ATTR;
+byte PRNM(outports)[PORTNUM] IBSS_ATTR;
 
 #ifdef SPECT_MEM
 #define NUM64KSEGS 3