diff --git a/radio/src/gui/480x272/layouts/layout2x1.cpp b/radio/src/gui/480x272/layouts/layout2x1.cpp
index 3c06d7079..81e196d63 100644
--- a/radio/src/gui/480x272/layouts/layout2x1.cpp
+++ b/radio/src/gui/480x272/layouts/layout2x1.cpp
@@ -45,7 +45,7 @@ class Layout2x1: public Layout
 
     virtual unsigned int getZonesCount() const
     {
-      return 4;
+      return 2;
     }
 
     virtual Zone getZone(unsigned int index) const
diff --git a/radio/src/gui/480x272/screens_setup.cpp b/radio/src/gui/480x272/screens_setup.cpp
index c1f251460..e73afed68 100644
--- a/radio/src/gui/480x272/screens_setup.cpp
+++ b/radio/src/gui/480x272/screens_setup.cpp
@@ -346,7 +346,7 @@ bool menuWidgetsSetup(event_t event)
 
   currentScreen->refresh();
 
-  for (int i=currentContainer->getZonesCount()-1; i>=0; i--) {
+  for (int i = currentContainer->getZonesCount() - 1; i >= 0; i--) {
     Zone zone = currentContainer->getZone(i);
     LcdFlags color;
     int padding, thickness;
diff --git a/radio/src/gui/common/colorlcd/draw_functions.cpp b/radio/src/gui/common/colorlcd/draw_functions.cpp
index 1854c0057..c75ae824e 100644
--- a/radio/src/gui/common/colorlcd/draw_functions.cpp
+++ b/radio/src/gui/common/colorlcd/draw_functions.cpp
@@ -18,6 +18,7 @@
  * GNU General Public License for more details.
  */
 
+#include <math.h>
 #include "opentx.h"
 
 void drawStringWithIndex(coord_t x, coord_t y, const char * str, int idx, LcdFlags flags, const char * prefix, const char * suffix)