diff --git a/examples/companion_radio/ui-new/UITask.cpp b/examples/companion_radio/ui-new/UITask.cpp
index d5e95d157..59b58461e 100644
--- a/examples/companion_radio/ui-new/UITask.cpp
+++ b/examples/companion_radio/ui-new/UITask.cpp
@@ -511,6 +511,10 @@ public:
   }
 };
 
+#ifndef UI_MSG_PREVIEW_SIZE
+  #define UI_MSG_PREVIEW_SIZE 78
+#endif
+
 class MsgPreviewScreen : public UIScreen {
   UITask* _task;
   mesh::RTCClock* _rtc;
@@ -518,7 +522,7 @@ class MsgPreviewScreen : public UIScreen {
   struct MsgEntry {
     uint32_t timestamp;
     char origin[62];
-    char msg[78];
+    char msg[UI_MSG_PREVIEW_SIZE];
   };
   #define MAX_UNREAD_MSGS   32
   int num_unread;
diff --git a/variants/thinknode_m8/platformio.ini b/variants/thinknode_m8/platformio.ini
index 9f1595c55..b8c709739 100644
--- a/variants/thinknode_m8/platformio.ini
+++ b/variants/thinknode_m8/platformio.ini
@@ -23,6 +23,7 @@ build_flags = ${nrf52_base.build_flags}
   -D UI_HAS_NAV_INPUT=1
   -D UI_RECENT_LIST_SIZE=9
   -D UI_TZ_OFFSET=-4 # GMT-4
+  -D UI_MSG_PREVIEW_SIZE=165
   -D EINK_MAX_PARTIAL_REFRESH=60
   -D EINK_DISPLAY_MODEL=GxEPD2_154_D67
 ;  -D EINK_DISPLAY_MODEL=GxEPD2_154_GDEY0154D67