diff --git a/src/algorithms/libs/rtklib/rtklib_ionex.cc b/src/algorithms/libs/rtklib/rtklib_ionex.cc
index ced43801f..41ebce9ba 100644
--- a/src/algorithms/libs/rtklib/rtklib_ionex.cc
+++ b/src/algorithms/libs/rtklib/rtklib_ionex.cc
@@ -392,6 +392,7 @@ void readtec(const char *file, nav_t *nav, int opt)
             if (!(fp = fopen(efiles[i], "r")))
                 {
                     trace(2, "ionex file open error %s\n", efiles[i]);
+                    fclose(fp);
                     continue;
                 }
             else
@@ -400,6 +401,7 @@ void readtec(const char *file, nav_t *nav, int opt)
                     if (readionexh(fp, lats, lons, hgts, &rb, &nexp, dcb, rms) <= 0.0)
                         {
                             trace(2, "ionex file format error %s\n", efiles[i]);
+                            fclose(fp);
                             continue;
                         }
                     /* read ionex body */
diff --git a/src/algorithms/libs/rtklib/rtklib_preceph.cc b/src/algorithms/libs/rtklib/rtklib_preceph.cc
index 4000084f6..c6dec6056 100644
--- a/src/algorithms/libs/rtklib/rtklib_preceph.cc
+++ b/src/algorithms/libs/rtklib/rtklib_preceph.cc
@@ -369,7 +369,7 @@ int readsap(const char *file, gtime_t time, nav_t *nav)
             pcv = searchpcv(i + 1, "", time, &pcvs);
             nav->pcvs[i] = pcv ? *pcv : pcv0;
         }
-    free(pcvs.pcv);
+    free(pcv);
     return 1;
 }