diff --git a/include/fc/interprocess/iprocess.hpp b/include/fc/interprocess/iprocess.hpp
index 0f8671e..c7f8c4e 100644
--- a/include/fc/interprocess/iprocess.hpp
+++ b/include/fc/interprocess/iprocess.hpp
@@ -32,7 +32,7 @@ namespace fc
            *  @return *this
            */
           virtual iprocess& exec( const path& exe, std::vector<std::string> args, 
-                                  const path& work_dir = path(), exec_opts opts = open_all ) = 0;
+                                  const path& work_dir = path(), int opts = open_all ) = 0;
 
           /**
            *  @return blocks until the process exits
diff --git a/include/fc/interprocess/process.hpp b/include/fc/interprocess/process.hpp
index 28333ef..777c154 100644
--- a/include/fc/interprocess/process.hpp
+++ b/include/fc/interprocess/process.hpp
@@ -18,7 +18,7 @@ namespace fc {
       virtual iprocess& exec( const fc::path&  exe, 
                               std::vector<std::string>   args, 
                               const fc::path&  work_dir = fc::path(), 
-                              exec_opts        opts     = open_all    );
+                              int              opts     = open_all    );
 
       
       virtual int                        result(const microseconds& timeout = microseconds::maximum());
diff --git a/src/interprocess/process.cpp b/src/interprocess/process.cpp
index 5504138..026c120 100644
--- a/src/interprocess/process.cpp
+++ b/src/interprocess/process.cpp
@@ -74,7 +74,7 @@ process::~process(){}
 
 iprocess& process::exec( const fc::path& exe, 
                          std::vector<std::string> args, 
-                         const fc::path& work_dir, exec_opts opt  ) 
+                         const fc::path& work_dir, int opt  ) 
 {
 
   my->pctx.work_dir = work_dir.string();