diff --git a/firmware/development/sensor_chart.cpp b/firmware/development/sensor_chart.cpp
index d9315e749b..a9da392abf 100644
--- a/firmware/development/sensor_chart.cpp
+++ b/firmware/development/sensor_chart.cpp
@@ -15,7 +15,7 @@
 #include "status_loop.h"
 
 #if EFI_TEXT_LOGGING
-static char LOGGING_BUFFER[5000] CCM_OPTIONAL;
+static char LOGGING_BUFFER[4000] CCM_OPTIONAL;
 static Logging scLogging("analog chart", LOGGING_BUFFER, sizeof(LOGGING_BUFFER));
 #endif /* EFI_TEXT_LOGGING */