diff --git a/src/base64.c b/src/base64.c
index 21ffb144..f019ef76 100644
--- a/src/base64.c
+++ b/src/base64.c
@@ -270,25 +270,26 @@ static void _bin_to_base64(uint8_t *dest,
  *
  * @returns the converted string
  */
-unsigned char *bin_to_base64(const unsigned char *source, int len) {
-  unsigned char *base64;
-  unsigned char *ptr;
-  int flen = len + (3 - (len % 3)); /* round to upper 3 multiple */
-  flen = (4 * flen) / 3 + 1;
+unsigned char *bin_to_base64(const unsigned char *source, int len)
+{
+    unsigned char *base64;
+    unsigned char *ptr;
+    int flen = len + (3 - (len % 3)); /* round to upper 3 multiple */
+    flen = (4 * flen) / 3 + 1;
 
-  base64 = malloc(flen);
-  if (base64 == NULL) {
-    return NULL;
-  }
-  ptr = base64;
+    base64 = malloc(flen);
+    if (base64 == NULL) {
+        return NULL;
+    }
+    ptr = base64;
 
-  while(len > 0){
-    _bin_to_base64(ptr, source, len > 3 ? 3 : len);
-    ptr += 4;
-    source += 3;
-    len -= 3;
-  }
-  ptr[0] = '\0';
+    while(len > 0){
+        _bin_to_base64(ptr, source, len > 3 ? 3 : len);
+        ptr += 4;
+        source += 3;
+        len -= 3;
+    }
+    ptr[0] = '\0';
 
-  return base64;
+    return base64;
 }