diff --git a/src/cud_display.cpp b/src/cud_display.cpp
index 61f1115..0f72f1c 100644
--- a/src/cud_display.cpp
+++ b/src/cud_display.cpp
@@ -249,9 +249,9 @@ void CUDDisplay::updateACState() {
     this->displayAdapter->print("fan_3_btn.pic=");
     this->displayAdapter->print(fan_speed == 3 ? COMPONENT_AC_FAN_MODE_LOW_PIC_ACTIVE : COMPONENT_AC_FAN_MODE_LOW_PIC_INACTIVE);
     this->sendStopBytes();
-    this->displayAdapter->print("temp_txt.txt=");
+    this->displayAdapter->print("temp_txt.txt=\"");
     this->displayAdapter->print(temperature);
-    this->displayAdapter->print("C");
+    this->displayAdapter->print("C\"");
     this->sendStopBytes();
 }