diff --git a/src/main/drivers/display.c b/src/main/drivers/display.c
index 1d5e4c3772..5afe475184 100644
--- a/src/main/drivers/display.c
+++ b/src/main/drivers/display.c
@@ -192,9 +192,9 @@ int displayWriteCharWithAttr(displayPort_t *instance, uint8_t x, uint8_t y, uint
         return -1;
     }
     if (displayAttributesRequireEmulation(instance, attr)) {
-        char ec;
-        if (displayEmulateTextAttributes(instance, &ec, 1, &attr)) {
-            c = ec;
+        char ec[2];
+        if (displayEmulateTextAttributes(instance, ec, 1, &attr)) {
+            c = ec[0];
         }
     }
     instance->posX = x + 1;
@@ -317,4 +317,3 @@ void displayInit(displayPort_t *instance, const displayPortVTable_t *vTable)
     instance->maxChar = 0;
     displayUpdateMaxChar(instance);
 }
-
diff --git a/src/main/io/displayport_frsky_osd.c b/src/main/io/displayport_frsky_osd.c
index 8aa0b26061..f5b02d6a50 100644
--- a/src/main/io/displayport_frsky_osd.c
+++ b/src/main/io/displayport_frsky_osd.c
@@ -259,14 +259,14 @@ static void setLineOutlineType(displayCanvas_t *displayCanvas, displayCanvasOutl
 {
     UNUSED(displayCanvas);
 
-    frskyOSDSetLineOutlineType(outlineType);
+    frskyOSDSetLineOutlineType((frskyOSDLineOutlineType_e)outlineType);
 }
 
 static void setLineOutlineColor(displayCanvas_t *displayCanvas, displayCanvasColor_e outlineColor)
 {
     UNUSED(displayCanvas);
 
-    frskyOSDSetLineOutlineColor(outlineColor);
+    frskyOSDSetLineOutlineColor((frskyOSDColor_e)outlineColor);
 }
 
 static void clipToRect(displayCanvas_t *displayCanvas, int x, int y, int w, int h)