diff --git a/Marlin/src/lcd/extui/lib/anycubic_chiron/FileNavigator.cpp b/Marlin/src/lcd/extui/lib/anycubic_chiron/FileNavigator.cpp
index 19f8ec81bc..7d813a6ab0 100644
--- a/Marlin/src/lcd/extui/lib/anycubic_chiron/FileNavigator.cpp
+++ b/Marlin/src/lcd/extui/lib/anycubic_chiron/FileNavigator.cpp
@@ -114,7 +114,7 @@ namespace Anycubic {
     }
     else {
       // Logical Name
-      TFTSer.print("/");
+      TFTSer.write('/');
       if (folderdepth > 0) TFTSer.print(currentfoldername);
 
       TFTSer.println(filelist.shortFilename());
diff --git a/Marlin/src/lcd/extui/lib/anycubic_chiron/chiron_tft.cpp b/Marlin/src/lcd/extui/lib/anycubic_chiron/chiron_tft.cpp
index c50de1c0a1..37f3c4e320 100644
--- a/Marlin/src/lcd/extui/lib/anycubic_chiron/chiron_tft.cpp
+++ b/Marlin/src/lcd/extui/lib/anycubic_chiron/chiron_tft.cpp
@@ -578,8 +578,8 @@ namespace Anycubic {
       case 15:   // A15 Resuming from outage
         if (printer_state == AC_printer_resuming_from_power_outage) {
           // Need to home here to restore the Z position
-          injectCommands(AC_cmnd_power_loss_recovery);
-          injectCommands("M1000");  // home and start recovery
+          injectCommands_P(AC_cmnd_power_loss_recovery);
+          injectCommands_P(PSTR("M1000"));  // home and start recovery
         }
         break;