diff --git a/modules/javafx.web/src/main/native/Source/bmalloc/bmalloc/Heap.cpp b/modules/javafx.web/src/main/native/Source/bmalloc/bmalloc/Heap.cpp
index 4a1e1c1243..4e6ab08b3c 100644
--- a/modules/javafx.web/src/main/native/Source/bmalloc/bmalloc/Heap.cpp
+++ b/modules/javafx.web/src/main/native/Source/bmalloc/bmalloc/Heap.cpp
@@ -41,6 +41,7 @@
 #include "bmalloc.h"
 #include <thread>
 #include <vector>
+#include <cstdio>

 #if BOS(DARWIN)
 #include "Zone.h"
diff --git a/modules/javafx.web/src/main/native/Source/bmalloc/bmalloc/IsoHeapImplInlines.h b/modules/javafx.web/src/main/native/Source/bmalloc/bmalloc/IsoHeapImplInlines.h
index d20f02d441..ebb6f8927e 100644
--- a/modules/javafx.web/src/main/native/Source/bmalloc/bmalloc/IsoHeapImplInlines.h
+++ b/modules/javafx.web/src/main/native/Source/bmalloc/bmalloc/IsoHeapImplInlines.h
@@ -30,6 +30,8 @@
 #include "IsoSharedHeapInlines.h"
 #include "IsoSharedPageInlines.h"

+#include <cstdio>
+
 #if !BUSE(LIBPAS)

 namespace bmalloc {
diff --git a/modules/javafx.web/src/main/native/Source/bmalloc/bmalloc/IsoSharedPageInlines.h b/modules/javafx.web/src/main/native/Source/bmalloc/bmalloc/IsoSharedPageInlines.h
index 80147afd02..7ad2eac710 100644
--- a/modules/javafx.web/src/main/native/Source/bmalloc/bmalloc/IsoSharedPageInlines.h
+++ b/modules/javafx.web/src/main/native/Source/bmalloc/bmalloc/IsoSharedPageInlines.h
@@ -29,6 +29,8 @@
 #include "StdLibExtras.h"
 #include "VMAllocate.h"

+#include <cstdio>
+
 #if !BUSE(LIBPAS)

 namespace bmalloc {