diff --git a/include/mimalloc-new-delete.h b/include/mimalloc-new-delete.h
index ba208f05..a09690a9 100644
--- a/include/mimalloc-new-delete.h
+++ b/include/mimalloc-new-delete.h
@@ -20,7 +20,7 @@ terms of the MIT license. A copy of the license can be found in the file
 // ---------------------------------------------------------------------------
 #if defined(__cplusplus)
   #include <new>
-  #include <mimalloc.h>
+  #include "mimalloc.h"
 
   void operator delete(void* p) noexcept              { mi_free(p); };
   void operator delete[](void* p) noexcept            { mi_free(p); };
diff --git a/include/mimalloc-override.h b/include/mimalloc-override.h
index 7d9f3e7d..50022dbb 100644
--- a/include/mimalloc-override.h
+++ b/include/mimalloc-override.h
@@ -15,7 +15,7 @@ each source file in a project (but be careful when using external code to
 not accidentally mix pointers from different allocators).
 -----------------------------------------------------------------------------*/
 
-#include <mimalloc.h>
+#include "mimalloc.h"
 
 // Standard C allocation
 #define malloc(n)               mi_malloc(n)
diff --git a/include/mimalloc-types.h b/include/mimalloc-types.h
index 18f1623c..caf161d6 100644
--- a/include/mimalloc-types.h
+++ b/include/mimalloc-types.h
@@ -10,7 +10,7 @@ terms of the MIT license. A copy of the license can be found in the file
 
 #include <stddef.h>   // ptrdiff_t
 #include <stdint.h>   // uintptr_t, uint16_t, etc
-#include <mimalloc-atomic.h>  // _Atomic
+#include "mimalloc-atomic.h"  // _Atomic
 
 #ifdef _MSC_VER
 #pragma warning(disable:4214) // bitfield is not int