diff --git a/glide2x/sst1/init/init96/fxinit96.h b/glide2x/sst1/init/init96/fxinit96.h
index 4aa296e..d06bd2a 100644
--- a/glide2x/sst1/init/init96/fxinit96.h
+++ b/glide2x/sst1/init/init96/fxinit96.h
@@ -89,7 +89,7 @@ typedef struct {
 
 extern Init96HALData *curHALData;
 
-extern char *iRegNames[];
+extern const char *iRegNames[];
 
 extern volatile FxU32   *sstHW;
 extern volatile Sstregs *sstPtr;
diff --git a/glide2x/sst1/init/init96/init96.c b/glide2x/sst1/init/init96/init96.c
index 215ce88..5d522d0 100644
--- a/glide2x/sst1/init/init96/init96.c
+++ b/glide2x/sst1/init/init96/init96.c
@@ -184,7 +184,7 @@ static void init96SetupRendering(InitRegisterDesc *regDesc,
    This array is HIGHLY important to debugging.  Delete it at your
    extreme peril.
    */
-char *iRegNames[] = {
+const char *iRegNames[] = {
   "status",                     /* 0x00 */
   "reserved001",                /* 0x01 */
   "vAx",                        /* 0x02 */
diff --git a/glide3x/sst1/init/init96/fxinit96.h b/glide3x/sst1/init/init96/fxinit96.h
index 4aa296e..d06bd2a 100644
--- a/glide3x/sst1/init/init96/fxinit96.h
+++ b/glide3x/sst1/init/init96/fxinit96.h
@@ -89,7 +89,7 @@ typedef struct {
 
 extern Init96HALData *curHALData;
 
-extern char *iRegNames[];
+extern const char *iRegNames[];
 
 extern volatile FxU32   *sstHW;
 extern volatile Sstregs *sstPtr;
diff --git a/glide3x/sst1/init/init96/init96.c b/glide3x/sst1/init/init96/init96.c
index 40dcfae..6c79301 100644
--- a/glide3x/sst1/init/init96/init96.c
+++ b/glide3x/sst1/init/init96/init96.c
@@ -191,7 +191,7 @@ fifoMTRRNum = 0xffffffff;
    This array is HIGHLY important to debugging.  Delete it at your
    extreme peril.
    */
-char *iRegNames[] = {
+const char *iRegNames[] = {
   "status",                     /* 0x00 */
   "reserved001",                /* 0x01 */
   "vAx",                        /* 0x02 */