diff --git a/src/share/vm/oops/instanceKlass.cpp b/src/share/vm/oops/instanceKlass.cpp
index 6aff230b6227a8725116504f6809377d0f421a11..0204188adc6e577658d32c9f61e8e322263be45b 100644
--- a/src/share/vm/oops/instanceKlass.cpp
+++ b/src/share/vm/oops/instanceKlass.cpp
@@ -147,7 +147,7 @@ HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__end,
       len = name->utf8_length();                                 \
     }                                                            \
     HOTSPOT_CLASS_INITIALIZATION_##type(                         \
-      data, len, (clss)->class_loader(), thread_type);           \
+      data, len, (void *)(clss)->class_loader(), thread_type); \
   }
 
 #define DTRACE_CLASSINIT_PROBE_WAIT(type, clss, thread_type, wait) \
@@ -160,7 +160,7 @@ HS_DTRACE_PROBE_DECL5(hotspot, class__initialization__end,
       len = name->utf8_length();                                 \
     }                                                            \
     HOTSPOT_CLASS_INITIALIZATION_##type(                         \
-      data, len, (clss)->class_loader(), thread_type, wait);     \
+      data, len, (void *)(clss)->class_loader(), thread_type, wait); \
   }
 #endif /* USDT2 */
 
diff --git a/src/share/vm/services/classLoadingService.cpp b/src/share/vm/services/classLoadingService.cpp
index 92a548ba50a4c7b8052af0bd3f7f7c9a78062775..fce2b27f8a532345675a09ec6b00bceb9795da4f 100644
--- a/src/share/vm/services/classLoadingService.cpp
+++ b/src/share/vm/services/classLoadingService.cpp
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2003, 2015, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2003, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -69,7 +69,7 @@ HS_DTRACE_PROBE_DECL4(hotspot, class__unloaded, char*, int, oop, bool);
       len = name->utf8_length();                    \
     }                                               \
     HOTSPOT_CLASS_##type( /* type = unloaded, loaded */ \
-      data, len, (clss)->class_loader(), (shared)); \
+      data, len, (void *)(clss)->class_loader(), (shared)); \
   }
 
 #endif /* USDT2 */