Index: b/src/cascade.c
===================================================================
--- a/src/cascade.c
+++ b/src/cascade.c
@@ -21,9 +21,9 @@
 #include <string.h>
 
 #ifdef SPOOLES
-#include <misc.h>
-#include <FrontMtx.h>
-#include <SymbFac.h>
+#include <spooles/misc.h>
+#include <spooles/FrontMtx.h>
+#include <spooles/SymbFac.h>
 #endif
 
 #include "CalculiX.h"
Index: b/src/spooles.h
===================================================================
--- a/src/spooles.h
+++ b/src/spooles.h
@@ -23,11 +23,11 @@
  */
 
 #include <pthread.h>
-#include <misc.h>
-#include <FrontMtx.h>
-#include <SymbFac.h>
+#include <spooles/misc.h>
+#include <spooles/FrontMtx.h>
+#include <spooles/SymbFac.h>
 #if USE_MT
-#include <MT/spoolesMT.h>
+#include <spooles/MT/spoolesMT.h>
 #endif
 
 /* increase this for debugging */