diff --git a/radio/src/datastructs.h b/radio/src/datastructs.h
index 294154582..07779da3f 100644
--- a/radio/src/datastructs.h
+++ b/radio/src/datastructs.h
@@ -1104,7 +1104,7 @@ static inline void check_struct()
   CHKSIZE(ModelHeader, 27);
   CHKSIZE(CurveData, 4);
   CHKSIZE(RadioData, 835);
-  CHKSIZE(ModelData, 9372);
+  CHKSIZE(ModelData, 9380);
 
 #elif defined(PCBSKY9X)
   CHKSIZE(MixData, 20);
diff --git a/radio/src/gui/horus/topbar.h b/radio/src/gui/horus/topbar.h
index 8dde196ac..7c4e5f3b2 100644
--- a/radio/src/gui/horus/topbar.h
+++ b/radio/src/gui/horus/topbar.h
@@ -24,7 +24,7 @@
 #include "widgets_container.h"
 
 #define MAX_TOPBAR_ZONES               4
-#define MAX_TOPBAR_OPTIONS             0
+#define MAX_TOPBAR_OPTIONS             1 // just because of VC++ which doesn't like 0-size arrays :(
 #define TOPBAR_ZONE_WIDTH              70
 #define TOPBAR_ZONE_MARGIN             3
 
diff --git a/radio/src/pulses/pulses_arm.h b/radio/src/pulses/pulses_arm.h
index b6925a1a9..a99104237 100644
--- a/radio/src/pulses/pulses_arm.h
+++ b/radio/src/pulses/pulses_arm.h
@@ -86,12 +86,14 @@ PACK(struct PxxTimerPulsesData {
   uint32_t pcmOnesCount;
 });
 
-PACK(struct Dsm2TimerPulsesData {
 #if defined(MULTIMODULE)
-  pulse_duration_t pulses[300];
+#define MAX_PULSES_TRANSITIONS 300
 #else
-  pulse_duration_t pulses[200];
+#define MAX_PULSES_TRANSITIONS 200
 #endif
+
+PACK(struct Dsm2TimerPulsesData {
+  pulse_duration_t pulses[MAX_PULSES_TRANSITIONS];
   pulse_duration_t * ptr;
   uint16_t rest;
   uint8_t index;