diff --git a/sys/base64/base64.c b/sys/base64/base64.c
index 869ca668ad..849ba8ca21 100644
--- a/sys/base64/base64.c
+++ b/sys/base64/base64.c
@@ -108,10 +108,6 @@ int base64_encode(unsigned char *data_in, size_t data_in_size, \
     /* The last character is not finished yet */
     njump++;
 
-    if (njump == 4) {
-        nNum = (tmpval >> (2 * njump));
-    }
-
     nNum = nLst << (8 - 2 * njump);
     base64_out[iterate_base64_buffer++] = getsymbol(nNum);