diff --git a/src/corelib/io/qprocess.h b/src/corelib/io/qprocess.h
index 4839aa42b35..770be0cbf0f 100644
--- a/src/corelib/io/qprocess.h
+++ b/src/corelib/io/qprocess.h
@@ -176,7 +176,7 @@ public:
     void setChildProcessModifier(const std::function<void(void)> &modifier);
     Q_NORETURN void failChildProcessModifier(const char *description, int error = 0) noexcept;
 
-    enum UnixProcessFlag : quint32 {
+    enum class UnixProcessFlag : quint32 {
         ResetSignalHandlers                 = 0x0001, // like POSIX_SPAWN_SETSIGDEF
         IgnoreSigPipe                       = 0x0002,
         // some room if we want to add IgnoreSigHup or so
diff --git a/src/corelib/io/qprocess_unix.cpp b/src/corelib/io/qprocess_unix.cpp
index 0e081884e15..64f48accb28 100644
--- a/src/corelib/io/qprocess_unix.cpp
+++ b/src/corelib/io/qprocess_unix.cpp
@@ -860,8 +860,9 @@ void QChildProcess::startProcess() const noexcept
         applyProcessParameters(d->unixExtras->processParameters);
 
         auto flags = d->unixExtras->processParameters.flags;
-        sigpipeHandled = flags.testAnyFlags(QProcess::ResetSignalHandlers | QProcess::IgnoreSigPipe);
-        sigmaskHandled = flags.testFlag(QProcess::ResetSignalHandlers);
+        using P = QProcess::UnixProcessFlag;
+        sigpipeHandled = flags.testAnyFlags(P::ResetSignalHandlers | P::IgnoreSigPipe);
+        sigmaskHandled = flags.testFlag(P::ResetSignalHandlers);
     }
     if (!sigpipeHandled) {
         // reset the signal that we ignored