diff --git a/src/client/mac/handler/mach_vm_compat.h b/src/client/mac/handler/mach_vm_compat.h
index baaf1d0c..e0459be6 100644
--- a/src/client/mac/handler/mach_vm_compat.h
+++ b/src/client/mac/handler/mach_vm_compat.h
@@ -37,6 +37,7 @@
 #if TARGET_OS_IPHONE
 #include <mach/vm_map.h>
 #define mach_vm_address_t vm_address_t
+#define mach_vm_deallocate vm_deallocate
 #define mach_vm_read vm_read
 #define mach_vm_region vm_region
 #define mach_vm_region_recurse vm_region_recurse