diff --git a/src/share/vm/prims/jvm.cpp b/src/share/vm/prims/jvm.cpp
index c39b1025232ff73f28b38db29436f4849550fb51..5586ed7de45557adc01fec40a395afbe0aa61a7e 100644
--- a/src/share/vm/prims/jvm.cpp
+++ b/src/share/vm/prims/jvm.cpp
@@ -4544,7 +4544,7 @@ JVM_END
 
 JVM_ENTRY(void, JVM_GetVersionInfo(JNIEnv* env, jvm_version_info* info, size_t info_size))
 {
-  memset(info, 0, sizeof(info_size));
+  memset(info, 0, info_size);
 
   info->jvm_version = Abstract_VM_Version::jvm_version();
   info->update_version = 0;          /* 0 in HotSpot Express VM */