diff --git a/rott/modexlib.c b/rott/modexlib.c
index 94928a2..5aabf8a 100644
--- a/rott/modexlib.c
+++ b/rott/modexlib.c
@@ -35,7 +35,7 @@ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
 static void StretchMemPicture ();
 // GLOBAL VARIABLES
 
-boolean StretchScreen=0;//bná++
+boolean StretchScreen=0;//bna++
 extern boolean iG_aimCross;
 extern boolean sdl_fullscreen;
 extern int iG_X_center;
@@ -106,7 +106,7 @@ void GraphicsMode ( void )
 	uint32_t flags = SDL_WINDOW_RESIZABLE | SDL_WINDOW_ALLOW_HIGHDPI;
 	uint32_t pixel_format;
 
-	unsigned int rmask, gmask, bmask, amask;
+	uint32_t rmask, gmask, bmask, amask;
 	int bpp;
 
 	if (SDL_InitSubSystem (SDL_INIT_VIDEO | SDL_INIT_AUDIO) < 0)
diff --git a/rott/rt_draw.c b/rott/rt_draw.c
index 6559e59..6da869e 100644
--- a/rott/rt_draw.c
+++ b/rott/rt_draw.c
@@ -269,7 +269,7 @@ void BuildTables (void)
    memcpy(&gammatable[0],ptr,length*sizeof(byte));
    table=W_CacheLumpName("tables",PU_CACHE, CvtNull, 1);
 
-   costable = (fixed *)&(sintable[FINEANGLES/4]);
+   costable = &(sintable[FINEANGLES/4]);
 
    wstart=W_GetNumForName("WALLSTRT");
 #if (SHAREWARE==0)
diff --git a/rott/rt_draw.h b/rott/rt_draw.h
index 4242e2b..7b70014 100644
--- a/rott/rt_draw.h
+++ b/rott/rt_draw.h
@@ -59,8 +59,8 @@ extern int fandc;
 // math tables
 //
 extern short    tantable[FINEANGLES];
-extern fixed    sintable[FINEANGLES+FINEANGLEQUAD+1];
-extern fixed    *costable;
+extern int    sintable[FINEANGLES+FINEANGLEQUAD+1];
+extern int    *costable;
 
 //
 // refresh variables