--- a/optimize.c
+++ b/optimize.c
@@ -1,8 +1,8 @@
-#include <filter.h>
+#include "filter.h"
 #include <math.h>
 #include <float.h>
 
-#include <adjust.h>
+#include "adjust.h"
 
 lmfunc	fcn; 
 static int			AllocateLMStruct( struct LMStruct *LM );