diff --git a/src/main/cms/cms_types.h b/src/main/cms/cms_types.h
index a43c96dff3..c59a817742 100644
--- a/src/main/cms/cms_types.h
+++ b/src/main/cms/cms_types.h
@@ -63,7 +63,7 @@ typedef struct
     const CMSEntryFuncPtr func;
     void *data;
     const uint8_t flags;
-} OSD_Entry;
+} __attribute__((packed)) OSD_Entry;
 
 // Bits in flags
 #define PRINT_VALUE    0x01  // Value has been changed, need to redraw