diff --git a/firmware/CHANGELOG.md b/firmware/CHANGELOG.md
index dd31dbb5fe..8c93799896 100644
--- a/firmware/CHANGELOG.md
+++ b/firmware/CHANGELOG.md
@@ -31,7 +31,8 @@ All notable user-facing or behavior-altering changes will be documented in this
 
 ### Fixed
  - SD card logging with SDIO hardware #3873 
- - rusEFI console stability improvement #3912 
+ - rusEFI console stability improvement #3912
+ - console updater does not work if folder name contains spaces #3927
 
 ## Removed
  - Miata NB1 trigger was merged with Miata NB2 trigger
diff --git a/java_console/ui/src/main/java/com/rusefi/maintenance/DfuFlasher.java b/java_console/ui/src/main/java/com/rusefi/maintenance/DfuFlasher.java
index 1182d6408c..ed8ae41388 100644
--- a/java_console/ui/src/main/java/com/rusefi/maintenance/DfuFlasher.java
+++ b/java_console/ui/src/main/java/com/rusefi/maintenance/DfuFlasher.java
@@ -178,11 +178,16 @@ public class DfuFlasher {
         String hexFileName = IniFileModel.findFile(Launcher.INPUT_FILES_PATH, prefix, suffix);
         if (hexFileName == null)
             throw new FileNotFoundException("File not found " + prefix + "*" + suffix);
-        String hexAbsolutePath = new File(hexFileName).getAbsolutePath();
+        // we need quotes in case if absolute path contains spaces
+        String hexAbsolutePath = quote(new File(hexFileName).getAbsolutePath());
 
         return DFU_BINARY_LOCATION + "/" + DFU_BINARY + " -c port=usb1 -w " + hexAbsolutePath + " -v -s";
     }
 
+    private static String quote(String absolutePath) {
+        return "\"" + absolutePath + "\"";
+    }
+
     private static String getDfuEraseCommand() {
         return DFU_BINARY_LOCATION + "/" + DFU_BINARY + " -c port=usb1 -e all";
     }