diff --git a/src/registry/registryRecordType.h b/src/registry/registryRecordType.h
index 55905aaa3..2a9a0d01f 100644
--- a/src/registry/registryRecordType.h
+++ b/src/registry/registryRecordType.h
@@ -2,6 +2,11 @@
 #define INCregistryRecordTypeh
 
 #include "shareLib.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
 struct dbRecordType;
 struct rset;
 struct dbBase;
@@ -15,10 +20,6 @@ typedef struct recordTypeLocation {
 }recordTypeLocation;
     
 
-#ifdef __cplusplus
-extern "C" {
-#endif
-
 epicsShareFunc int epicsShareAPI registryRecordTypeAdd(
     const char *name,const recordTypeLocation *prtl);
 epicsShareFunc recordTypeLocation * epicsShareAPI registryRecordTypeFind(