diff --git a/SpiralSound/Plugins/DistributorPlugin/DistributorPlugin.C b/SpiralSound/Plugins/DistributorPlugin/DistributorPlugin.C
index 8bb35bd..cb8a6bb 100644
--- a/SpiralSound/Plugins/DistributorPlugin/DistributorPlugin.C
+++ b/SpiralSound/Plugins/DistributorPlugin/DistributorPlugin.C
@@ -15,6 +15,11 @@
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */ 
+
+#include <string>
+#include <iostream>
+#include <stdio.h>
+
 #include "DistributorPlugin.h"
 #include "DistributorPluginGUI.h"
 #include <FL/Fl_Button.h>
diff --git a/SpiralSound/Plugins/SplitterPlugin/SplitterPlugin.C b/SpiralSound/Plugins/SplitterPlugin/SplitterPlugin.C
index c902d56..09d0069 100644
--- a/SpiralSound/Plugins/SplitterPlugin/SplitterPlugin.C
+++ b/SpiralSound/Plugins/SplitterPlugin/SplitterPlugin.C
@@ -15,6 +15,10 @@
  *  along with this program; if not, write to the Free Software
  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */ 
+#include <string>
+#include <iostream>
+#include <stdio.h>
+
 #include "SplitterPlugin.h"
 #include "SplitterPluginGUI.h"
 #include <FL/Fl_Button.h>
diff --git a/SpiralSound/Plugins/TransposePlugin/TransposePlugin.C b/SpiralSound/Plugins/TransposePlugin/TransposePlugin.C
index 5ea6680..7f90d60 100644
--- a/SpiralSound/Plugins/TransposePlugin/TransposePlugin.C
+++ b/SpiralSound/Plugins/TransposePlugin/TransposePlugin.C
@@ -16,6 +16,11 @@
  *  Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
 */
 
+#include <string>
+#include <iostream>
+#include <stdio.h>
+#include <math.h>
+
 #include "TransposePlugin.h"
 #include "TransposePluginGUI.h"
 #include "SpiralIcon.xpm"
diff --git a/SpiralSynthModular.C b/SpiralSynthModular.C
index 6494fd3..1d8efa0 100644
--- a/SpiralSynthModular.C
+++ b/SpiralSynthModular.C
@@ -1459,7 +1459,7 @@ void SynthModular::LoadPatch(const char *fn)
 	if (in) 
 	{	
 		fstream	inf;
-		inf.open(fn);
+		inf.open(fn, std::ios::in);
 		
 		m_FilePath=fn;