diff --git a/src/ucf/inctim.c b/src/ucf/inctim.c
index 3017150..076d6b9 100755
--- a/src/ucf/inctim.c
+++ b/src/ucf/inctim.c
@@ -6,8 +6,10 @@
 #include "../../inc/complex.h"
 #include "../../inc/proto.h"
 
-#define TOLERANCE 1e-4
-#define TOLERANCE_EXCEEDED "Resulting error from shift exceeded tolerance (1e-6): "
+#define TOLERANCE 1e-3
+#define STR2(x) #x
+#define STRINGIZE(x) STR2(x)
+#define TOLERANCE_EXCEEDED "Resulting error from shift exceeded tolerance " STRINGIZE(TOLERANCE) ": "
 #define BUG_REPORT "Please report bug to: "
 
 void /*FUNCTION*/ inctim(nhrold, nmnold, nscold, nmsold, secinc, nhrnew,