diff --git a/src/gallium/auxiliary/util/dbghelp.h b/src/gallium/auxiliary/util/dbghelp.h
index 4166c456662..bc7c53cf9f2 100644
--- a/src/gallium/auxiliary/util/dbghelp.h
+++ b/src/gallium/auxiliary/util/dbghelp.h
@@ -987,7 +987,7 @@ extern "C" {
 	USHORT SuiteMask;
 	USHORT Reserved2;
       } DUMMYSTRUCTNAME;
-    } DUMMYUNIONNAME;
+    } DUMMYUNIONNAME1;
     CPU_INFORMATION Cpu;
   } MINIDUMP_SYSTEM_INFO,*PMINIDUMP_SYSTEM_INFO;