diff --git a/quazip/quazipdir.cpp b/quazip/quazipdir.cpp
index d43f1c1..eb24bf1 100644
--- a/quazip/quazipdir.cpp
+++ b/quazip/quazipdir.cpp
@@ -293,8 +293,8 @@ bool QuaZipDirComparator::operator()(const QuaZipFileInfo64 &info1,
 }
 
 template<typename TFileInfoList>
-bool QuaZipDirPrivate::entryInfoList(QStringList nameFilters,
-    QDir::Filters filter, QDir::SortFlags sort, TFileInfoList &result) const
+bool QuaZipDirPrivate::entryInfoList(QStringList _nameFilters,
+    QDir::Filters _filter, QDir::SortFlags sort, TFileInfoList &result) const
 {
     QString basePath = simplePath();
     if (!basePath.isEmpty())
@@ -305,12 +305,12 @@ bool QuaZipDirPrivate::entryInfoList(QStringList nameFilters,
     if (!zip->goToFirstFile()) {
         return zip->getZipError() == UNZ_OK;
     }
-    QDir::Filters fltr = filter;
+    QDir::Filters fltr = _filter;
     if (fltr == QDir::NoFilter)
         fltr = this->filter;
     if (fltr == QDir::NoFilter)
         fltr = QDir::AllEntries;
-    QStringList nmfltr = nameFilters;
+    QStringList nmfltr = _nameFilters;
     if (nmfltr.isEmpty())
         nmfltr = this->nameFilters;
     QSet<QString> dirsFound;
diff --git a/quazip/quazipfile.cpp b/quazip/quazipfile.cpp
index 4a5f2f9..f7865f5 100644
--- a/quazip/quazipfile.cpp
+++ b/quazip/quazipfile.cpp
@@ -241,14 +241,14 @@ void QuaZipFile::setFileName(const QString& fileName, QuaZip::CaseSensitivity cs
   p->caseSensitivity=cs;
 }
 
-void QuaZipFilePrivate::setZipError(int zipError) const
+void QuaZipFilePrivate::setZipError(int _zipError) const
 {
   QuaZipFilePrivate *fakeThis = const_cast<QuaZipFilePrivate*>(this); // non-const
-  fakeThis->zipError=zipError;
-  if(zipError==UNZ_OK)
+  fakeThis->zipError = _zipError;
+  if(_zipError == UNZ_OK)
     q->setErrorString(QString());
   else
-    q->setErrorString(QuaZipFile::tr("ZIP/UNZIP API error %1").arg(zipError));
+    q->setErrorString(QuaZipFile::tr("ZIP/UNZIP API error %1").arg(_zipError));
 }
 
 bool QuaZipFile::open(OpenMode mode)
diff --git a/quazip/unzip.c b/quazip/unzip.c
index a39365d..ee7b487 100644
--- a/quazip/unzip.c
+++ b/quazip/unzip.c
@@ -1054,7 +1054,7 @@ local int unz64local_GetCurrentFileInfoInternal (unzFile file,
             /* ZIP64 extra fields */
             if (headerId == 0x0001)
             {
-                uLong uL;
+                uLong _uL;
 
                 if(file_info.uncompressed_size == (ZPOS64_T)0xFFFFFFFFu)
                 {
@@ -1078,7 +1078,7 @@ local int unz64local_GetCurrentFileInfoInternal (unzFile file,
                 if(file_info.disk_num_start == 0xFFFFFFFFu)
                 {
                     /* Disk Start Number */
-                    if (unz64local_getLong(&s->z_filefunc, s->filestream,&uL) != UNZ_OK)
+                    if (unz64local_getLong(&s->z_filefunc, s->filestream, &_uL) != UNZ_OK)
                         err=UNZ_ERRNO;
                 }
 
@@ -2151,3 +2151,4 @@ int ZEXPORT unzClearFlags(unzFile file, unsigned flags)
     s->flags &= ~flags;
     return UNZ_OK;
 }
+