diff --git a/src/lib_ccx/ccx_encoders_spupng.c b/src/lib_ccx/ccx_encoders_spupng.c
index 87e98323b..232693d28 100644
--- a/src/lib_ccx/ccx_encoders_spupng.c
+++ b/src/lib_ccx/ccx_encoders_spupng.c
@@ -44,6 +44,7 @@ struct spupng_t
 #define CCPL (ccfont2_width / CCW * ccfont2_height / CCH)
 
 static int initialized = 0;
+
 void spupng_init_font()
 {
 	uint8_t *t, *p;
@@ -138,46 +139,43 @@ void spunpg_free(struct spupng_t *sp)
 	free(sp->relative_path_png);
 	free(sp);
 }
-void sanitize_and_write_comment(FILE *fpxml, const char *input_file) 
-{
-char sanitized_file[300]; 
-int j = 0;
 
-for (int i = 0; input_file[i] != '\0' && j < sizeof(sanitized_file) - 1; i++) 
+void sanitize_and_write_comment(FILE *fpxml, char *input_file) 
 {
-	if (input_file[i] == '-') 
-	{
-		if (input_file[i + 1] == '-') 
-		{
-			sanitized_file[j++] = ' '; 
-			i++; 
-		} 
-		else 
-		{
-			sanitized_file[j++] = input_file[i];
-		}
-	} 
-	else 
-	{
-		sanitized_file[j++] = input_file[i];
-	}
-}
-
-sanitized_file[j] = '\0'; 
-fprintf(fpxml, "<!-- %s -->\n", sanitized_file);
+    char sanitized_file[300]; 
+    int j = 0;
+
+    for (int i = 0; input_file[i] != '\0' && j < sizeof(sanitized_file) - 1; i++) 
+    {
+        if (input_file[i] == '-') 
+        {
+            if (input_file[i + 1] == '-') 
+            {
+                sanitized_file[j++] = ' '; 
+                i++; 
+            } 
+            else 
+            {
+                sanitized_file[j++] = input_file[i];
+            }
+        } 
+        else 
+        {
+            sanitized_file[j++] = input_file[i];
+        }
+    }
+
+    sanitized_file[j] = '\0'; 
+    fprintf(fpxml, "<!-- %s -->\n", sanitized_file);
 }
 
 void spupng_write_header(struct spupng_t *sp, int multiple_files, char *first_input_file)
 {
-fprintf(sp->fpxml, "<subpictures>\n<stream>\n");
-
-if (multiple_files)
-{
-	sanitize_and_write_comment(sp->fpxml, first_input_file);
-}
+    fprintf(sp->fpxml, "<subpictures>\n<stream>\n");
+	if (multiple_files)
+        sanitize_and_write_comment(sp->fpxml, first_input_file);
 }
 
-
 void spupng_write_footer(struct spupng_t *sp)
 {
 	fprintf(sp->fpxml, "</stream>\n</subpictures>\n");