diff --git a/src/tools/pginclude/cpluspluscheck b/src/tools/pginclude/cpluspluscheck
index 4e09c4686b3..b0ec08c034b 100755
--- a/src/tools/pginclude/cpluspluscheck
+++ b/src/tools/pginclude/cpluspluscheck
@@ -134,6 +134,9 @@ do
 	test "$f" = src/interfaces/ecpg/preproc/preproc.h && continue
 	test "$f" = src/test/isolation/specparse.h && continue
 
+	# SectionMemoryManager.h is C++
+	test "$f" = src/include/jit/SectionMemoryManager.h && continue
+
 	# ppport.h is not under our control, so we can't make it standalone.
 	test "$f" = src/pl/plperl/ppport.h && continue