diff --git a/src/hotspot/os/aix/os_aix.hpp b/src/hotspot/os/aix/os_aix.hpp
index 7e1d72a8f550a..952d2be3690fb 100644
--- a/src/hotspot/os/aix/os_aix.hpp
+++ b/src/hotspot/os/aix/os_aix.hpp
@@ -177,7 +177,7 @@ class os::Aix {
   // Returns true if ok, false if error.
   static bool get_meminfo(meminfo_t* pmi);
 
-  static bool platform_print_native_stack(outputStream* st, void* context, char *buf, int buf_size);
+  static bool platform_print_native_stack(outputStream* st, const void* context, char *buf, int buf_size);
   static void* resolve_function_descriptor(void* p);
 };
 
diff --git a/src/hotspot/os_cpu/aix_ppc/os_aix_ppc.cpp b/src/hotspot/os_cpu/aix_ppc/os_aix_ppc.cpp
index 2631a7bcc3f87..6e2204aa6d046 100644
--- a/src/hotspot/os_cpu/aix_ppc/os_aix_ppc.cpp
+++ b/src/hotspot/os_cpu/aix_ppc/os_aix_ppc.cpp
@@ -510,7 +510,7 @@ int os::extra_bang_size_in_bytes() {
   return 0;
 }
 
-bool os::Aix::platform_print_native_stack(outputStream* st, void* context, char *buf, int buf_size) {
+bool os::Aix::platform_print_native_stack(outputStream* st, const void* context, char *buf, int buf_size) {
   AixNativeCallstack::print_callstack_for_context(st, (const ucontext_t*)context, true, buf, (size_t) buf_size);
   return true;
 }