diff --git a/src/json.c b/src/json.c
index 6d53962a..f7b94fab 100644
--- a/src/json.c
+++ b/src/json.c
@@ -819,8 +819,8 @@ whitespace:
 
                         top->u.dbl *=
                             pow(10,
-                                (double)(flags &
-                                         flag_num_e_negative ? -num_e : num_e));
+                                (double)((flags &
+                                         flag_num_e_negative) ? -num_e : num_e));
                     }
 
                     if (flags & flag_num_negative) {