diff --git a/main/display/eink_display_handler.cpp b/main/display/eink_display_handler.cpp
index 493c963..e11284a 100644
--- a/main/display/eink_display_handler.cpp
+++ b/main/display/eink_display_handler.cpp
@@ -409,7 +409,7 @@ void EInkDisplayHandler::request_full_refresh(void) {
 
 // Check if display is busy (refreshing)
 bool EInkDisplayHandler::is_busy(void) const {
-  return gpio_get_level(PIN_BUSY) == BUSY_ACTIVE_LEVEL;  // BUSY is active LOW
+  return gpio_get_level(PIN_BUSY) != BUSY_ACTIVE_LEVEL;  // BUSY is active LOW
 }
 void EInkDisplayHandler::wait_for_idle(void) const {
   ESP_LOGI(TAG, "Waiting for display ready (BUSY pin)...");