diff --git a/src/cmJson.c b/src/cmJson.c
index 0183870..a73b1de 100644
--- a/src/cmJson.c
+++ b/src/cmJson.c
@@ -3996,7 +3996,7 @@ void _cmJsonTestPrint( void* userPtr, const cmChar_t* text )
 //
 // cmJsonTest() demonstrates some JSON tree operations.
 //
-JsRC_t cmJsonTest( const char* fn, cmCtx_t* ctx )
+cmJsRC_t cmJsonTest( const char* fn, cmCtx_t* ctx )
 {
   cmJsRC_t      rc  = kOkJsRC;
   cmJsRC_t      rc1 = kOkJsRC;