diff --git a/src/libraries/Box2D/Collision/Shapes/b2ChainShape.cpp b/src/libraries/Box2D/Collision/Shapes/b2ChainShape.cpp
index 069b4cae8..f1ed2cca3 100755
--- a/src/libraries/Box2D/Collision/Shapes/b2ChainShape.cpp
+++ b/src/libraries/Box2D/Collision/Shapes/b2ChainShape.cpp
@@ -19,7 +19,7 @@
 #include <Box2D/Collision/Shapes/b2ChainShape.h>
 #include <Box2D/Collision/Shapes/b2EdgeShape.h>
 #include <new>
-#include <memory.h>
+#include <string.h>
 
 b2ChainShape::~b2ChainShape()
 {
diff --git a/src/libraries/Box2D/Collision/b2BroadPhase.cpp b/src/libraries/Box2D/Collision/b2BroadPhase.cpp
index 5cd6f0e8a..f46e4d090 100755
--- a/src/libraries/Box2D/Collision/b2BroadPhase.cpp
+++ b/src/libraries/Box2D/Collision/b2BroadPhase.cpp
@@ -17,7 +17,7 @@
 */
 
 #include <Box2D/Collision/b2BroadPhase.h>
-#include <memory.h>
+#include <string.h>
 
 b2BroadPhase::b2BroadPhase()
 {
diff --git a/src/libraries/Box2D/Collision/b2DynamicTree.cpp b/src/libraries/Box2D/Collision/b2DynamicTree.cpp
index 7035ab8b8..ef57b4220 100755
--- a/src/libraries/Box2D/Collision/b2DynamicTree.cpp
+++ b/src/libraries/Box2D/Collision/b2DynamicTree.cpp
@@ -17,7 +17,7 @@
 */
 
 #include <Box2D/Collision/b2DynamicTree.h>
-#include <memory.h>
+#include <string.h>
 
 b2DynamicTree::b2DynamicTree()
 {
diff --git a/src/libraries/Box2D/Common/b2BlockAllocator.cpp b/src/libraries/Box2D/Common/b2BlockAllocator.cpp
index f7a4688ea..59674e81b 100755
--- a/src/libraries/Box2D/Common/b2BlockAllocator.cpp
+++ b/src/libraries/Box2D/Common/b2BlockAllocator.cpp
@@ -18,7 +18,7 @@
 
 #include <Box2D/Common/b2BlockAllocator.h>
 #include <limits.h>
-#include <memory.h>
+#include <string.h>
 #include <stddef.h>
 
 int32 b2BlockAllocator::s_blockSizes[b2_blockSizes] = 
diff --git a/src/libraries/Box2D/Common/b2GrowableStack.h b/src/libraries/Box2D/Common/b2GrowableStack.h
index 4094644a2..989247710 100755
--- a/src/libraries/Box2D/Common/b2GrowableStack.h
+++ b/src/libraries/Box2D/Common/b2GrowableStack.h
@@ -19,7 +19,7 @@
 #ifndef B2_GROWABLE_STACK_H
 #define B2_GROWABLE_STACK_H
 #include <Box2D/Common/b2Settings.h>
-#include <memory.h>
+#include <string.h>
 
 /// This is a growable LIFO stack with an initial capacity of N.
 /// If the stack size exceeds the initial capacity, the heap is used