diff --git a/src/main/blackbox/blackbox_io.c b/src/main/blackbox/blackbox_io.c
index 44bd59cbd5..e0d4646745 100644
--- a/src/main/blackbox/blackbox_io.c
+++ b/src/main/blackbox/blackbox_io.c
@@ -692,23 +692,13 @@ static void blackboxCreateLogFile()
 {
     uint32_t remainder = blackboxSDCard.largestLogFileNumber + 1;
 
-    char filename[13];
-
-    filename[0] = 'L';
-    filename[1] = 'O';
-    filename[2] = 'G';
+    char *filename = "log00000.bfl";
 
     for (int i = 7; i >= 3; i--) {
         filename[i] = (remainder % 10) + '0';
         remainder /= 10;
     }
 
-    filename[8] = '.';
-    filename[9] = 'T';
-    filename[10] = 'X';
-    filename[11] = 'T';
-    filename[12] = 0;
-
     blackboxSDCard.state = BLACKBOX_SDCARD_WAITING;
 
     afatfs_fopen(filename, "as", blackboxLogFileCreated);