diff --git a/src/corelib/kernel/qmath.h b/src/corelib/kernel/qmath.h
index 4c5a980f3a..98251c0b57 100644
--- a/src/corelib/kernel/qmath.h
+++ b/src/corelib/kernel/qmath.h
@@ -47,7 +47,7 @@
 #include <QtCore/qglobal.h>
 #include <QtCore/qalgorithms.h>
 
-#if __has_include(<bit>)
+#if __has_include(<bit>) && __cplusplus > 201703L
 #include <bit>
 #endif
 
diff --git a/src/corelib/text/qstringconverter.cpp b/src/corelib/text/qstringconverter.cpp
index 778674ebd8..4af4a1af9d 100644
--- a/src/corelib/text/qstringconverter.cpp
+++ b/src/corelib/text/qstringconverter.cpp
@@ -50,7 +50,7 @@
 #include <qt_windows.h>
 #endif
 
-#if __has_include(<bit>)
+#if __has_include(<bit>) && __cplusplus > 201703L
 #include <bit>
 #endif
 
diff --git a/src/corelib/tools/qalgorithms.h b/src/corelib/tools/qalgorithms.h
index 58709f7fdf..11e4d9da39 100644
--- a/src/corelib/tools/qalgorithms.h
+++ b/src/corelib/tools/qalgorithms.h
@@ -42,7 +42,7 @@
 
 #include <QtCore/qglobal.h>
 
-#if __has_include(<bit>)
+#if __has_include(<bit>) && __cplusplus > 201703L
 #include <bit>
 #endif