diff --git a/src/corelib/global/qlogging.cpp b/src/corelib/global/qlogging.cpp
index 4cc4505574d..e16a9f9f18f 100644
--- a/src/corelib/global/qlogging.cpp
+++ b/src/corelib/global/qlogging.cpp
@@ -184,6 +184,13 @@ static int checked_var_value(const char *varname)
     return ok ? value : 1;
 }
 
+static bool is_fatal_count_down(QAtomicInt &n)
+{
+    // it's fatal if the current value is exactly 1,
+    // otherwise decrement if it's non-zero
+    return n.loadRelaxed() && n.fetchAndAddRelaxed(-1) == 1;
+}
+
 static bool isFatal(QtMsgType msgType)
 {
     if (msgType == QtFatalMsg)
@@ -191,18 +198,12 @@ static bool isFatal(QtMsgType msgType)
 
     if (msgType == QtCriticalMsg) {
         static QAtomicInt fatalCriticals = checked_var_value("QT_FATAL_CRITICALS");
-
-        // it's fatal if the current value is exactly 1,
-        // otherwise decrement if it's non-zero
-        return fatalCriticals.loadRelaxed() && fatalCriticals.fetchAndAddRelaxed(-1) == 1;
+        return is_fatal_count_down(fatalCriticals);
     }
 
     if (msgType == QtWarningMsg || msgType == QtCriticalMsg) {
         static QAtomicInt fatalWarnings = checked_var_value("QT_FATAL_WARNINGS");
-
-        // it's fatal if the current value is exactly 1,
-        // otherwise decrement if it's non-zero
-        return fatalWarnings.loadRelaxed() && fatalWarnings.fetchAndAddRelaxed(-1) == 1;
+        return is_fatal_count_down(fatalWarnings);
     }
 
     return false;