diff --git a/README.md b/README.md
index 99c3c84044ed..4d458ac82db1 100644
--- a/README.md
+++ b/README.md
@@ -8,7 +8,7 @@ GDAL - Geospatial Data Abstraction Library
 [![Build Status](https://github.com/OSGeo/gdal/actions/workflows/clang_static_analyzer.yml/badge.svg)](https://github.com/osgeo/gdal/actions?query=workflow%3A%22CLang+Static+Analyzer%22+branch%3Amaster)
 [![Build Status](https://github.com/OSGeo/gdal/actions/workflows/code_checks.yml/badge.svg)](https://github.com/osgeo/gdal/actions?query=workflow%3A%22Code+Checks%22+branch%3Amaster)
 [![Build Status](https://github.com/OSGeo/gdal/actions/workflows/conda.yml/badge.svg)](https://github.com/osgeo/gdal/actions?query=workflow%3A%22Conda%22+branch%3Amaster)
-[![Build Status](https://travis-ci.com/OSGeo/gdal.svg?branch=master)](https://travis-ci.com/OSGeo/gdal)
+[![Build Status](https://app.travis-ci.com/OSGeo/gdal.svg?branch=master)](https://app.travis-ci.com/OSGeo/gdal)
 [![Build Status](https://scan.coverity.com/projects/749/badge.svg?flat=1)](https://scan.coverity.com/projects/gdal)
 [![Documentation build Status](https://github.com/OSGeo/gdal/workflows/Docs/badge.svg)](https://github.com/osgeo/gdal/actions?query=workflow%3A%22Docs%22+branch%3Amaster)
 [![Fuzzing Status](https://oss-fuzz-build-logs.storage.googleapis.com/badges/gdal.svg)](https://bugs.chromium.org/p/oss-fuzz/issues/list?sort=-opened&can=1&q=proj:gdal)
diff --git a/ogr/ogrsf_frmts/miramon/mm_gdal_functions.c b/ogr/ogrsf_frmts/miramon/mm_gdal_functions.c
index 15c9c1facbcb..330de60aca21 100644
--- a/ogr/ogrsf_frmts/miramon/mm_gdal_functions.c
+++ b/ogr/ogrsf_frmts/miramon/mm_gdal_functions.c
@@ -1695,13 +1695,17 @@ int MM_ReadExtendedDBFHeaderFromFile(const char *szFileName,
     return 0;
 }  // End of MM_ReadExtendedDBFHeaderFromFile()
 
-void MM_ReleaseDBFHeader(struct MM_DATA_BASE_XP *data_base_XP)
+void MM_ReleaseDBFHeader(struct MM_DATA_BASE_XP **data_base_XP)
 {
-    if (data_base_XP)
-    {
-        MM_ReleaseMainFields(data_base_XP);
-        free_function(data_base_XP);
-    }
+    if (!data_base_XP)
+        return;
+    if (!*data_base_XP)
+        return;
+
+    MM_ReleaseMainFields(*data_base_XP);
+    free_function(*data_base_XP);
+    *data_base_XP = nullptr;
+
     return;
 }
 
diff --git a/ogr/ogrsf_frmts/miramon/mm_gdal_functions.h b/ogr/ogrsf_frmts/miramon/mm_gdal_functions.h
index eb4464f4d625..351470946d24 100644
--- a/ogr/ogrsf_frmts/miramon/mm_gdal_functions.h
+++ b/ogr/ogrsf_frmts/miramon/mm_gdal_functions.h
@@ -102,7 +102,7 @@ MM_GiveOffsetExtendedFieldName(const struct MM_FIELD *camp);
 struct MM_DATA_BASE_XP *MM_CreateDBFHeader(MM_EXT_DBF_N_FIELDS n_camps,
                                            MM_BYTE nCharSet);
 void MM_ReleaseMainFields(struct MM_DATA_BASE_XP *data_base_XP);
-void MM_ReleaseDBFHeader(struct MM_DATA_BASE_XP *data_base_XP);
+void MM_ReleaseDBFHeader(struct MM_DATA_BASE_XP **data_base_XP);
 MM_BOOLEAN MM_CreateAndOpenDBFFile(struct MM_DATA_BASE_XP *bd_xp,
                                    const char *NomFitxer);
 int MM_DuplicateFieldDBXP(struct MM_FIELD *camp_final,
diff --git a/ogr/ogrsf_frmts/miramon/mm_wrlayr.c b/ogr/ogrsf_frmts/miramon/mm_wrlayr.c
index ccdf8724dae9..c0d30b761513 100644
--- a/ogr/ogrsf_frmts/miramon/mm_wrlayr.c
+++ b/ogr/ogrsf_frmts/miramon/mm_wrlayr.c
@@ -7397,8 +7397,8 @@ static void MMDestroyMMDBFile(struct MiraMonVectLayerInfo *hMiraMonLayer,
 
     if (pMMAdmDB && pMMAdmDB->pMMBDXP)
     {
-        MM_ReleaseDBFHeader(pMMAdmDB->pMMBDXP);
-        hMiraMonLayer->pMMBDXP = pMMAdmDB->pMMBDXP = nullptr;
+        MM_ReleaseDBFHeader(&pMMAdmDB->pMMBDXP);
+        hMiraMonLayer->pMMBDXP = nullptr;
     }
     if (pMMAdmDB && pMMAdmDB->pRecList)
     {