diff --git a/ion/src/device/shared/drivers/display.cpp b/ion/src/device/shared/drivers/display.cpp
index 20d5bb74f..5b29805f6 100644
--- a/ion/src/device/shared/drivers/display.cpp
+++ b/ion/src/device/shared/drivers/display.cpp
@@ -323,7 +323,8 @@ void initPanel() {
   const uint8_t * gammaCalibration = nullptr;
   uint32_t panelId = panelIdentifier();
   if (panelId == 0x4E4101) {
-    const uint8_t calibration[] = {0xF0, 0x8, 0x12, 0x9, 0xC, 0x1A, 0x36, 0x57, 0x43, 0x29, 0x19, 0x15, 0x2D, 0x32};
+    // Don't forget the "static" qualifier, otherwise this array can be deleted before reaching send_long_command
+    static const uint8_t calibration[] = {0xF0, 0x8, 0x12, 0x9, 0xC, 0x1A, 0x36, 0x57, 0x43, 0x29, 0x19, 0x15, 0x2D, 0x32};
     gammaCalibration = calibration;
   }
   if (gammaCalibration != nullptr) {