diff --git a/src/json.c b/src/json.c
index deef49ff..c6dc81e5 100644
--- a/src/json.c
+++ b/src/json.c
@@ -261,7 +261,7 @@ json_value * json_parse_ex (json_settings * settings,
    const json_char * end;
    json_value * top, * root, * alloc = 0;
    json_state state = { 0 };
-   long flags = 0;
+   long flags;
    int num_digits = 0;
    double num_e = 0, num_fraction = 0;
 
@@ -873,7 +873,7 @@ json_value * json_parse_ex (json_settings * settings,
                      goto e_failed;
                   }
 
-                  top->u.dbl *= pow (10.0, (flags & flag_num_e_negative ? - num_e : num_e));
+                  top->u.dbl *= pow (10.0, ((flags & flag_num_e_negative) ? - num_e : num_e));
                }
 
                if (flags & flag_num_negative)
diff --git a/src/moon.c b/src/moon.c
index 3cfef443..a3417b88 100644
--- a/src/moon.c
+++ b/src/moon.c
@@ -730,7 +730,7 @@ void moon_position(double dayOffset, double *ra, double *declination, double *di
 /* Search for moonrise / moonset events during an hour */
 static void test_moon_event(int k, double offset_days, struct MoonInfo *moon_info,
                             double latitude, double longitude,
-                            double ra[], double declination[], double distance[])
+                            double const ra[], double declination[], double const distance[])
 {
     double ha[3], VHz[3];
     double lSideTime;