diff --git a/src/spicelib/devices/bsim4/b4check.c b/src/spicelib/devices/bsim4/b4check.c
index fd86875e6..bf3444241 100644
--- a/src/spicelib/devices/bsim4/b4check.c
+++ b/src/spicelib/devices/bsim4/b4check.c
@@ -1,5 +1,5 @@
 /**** BSIM4.6.2 Released by Wenwei Yang 07/31/2008 ****/
-
+/**** BSIM4.6.5 Update ngspice 09/22/2009 ****/
 /**********
  * Copyright 2006 Regents of the University of California. All rights reserved.
  * File: b4check.c of BSIM4.6.1.
@@ -42,9 +42,9 @@ FILE *fplog;
         fprintf(fplog, "\n");
 	fprintf(fplog, "++++++++++ BSIM4 PARAMETER CHECKING BELOW ++++++++++\n");
 
-        if (strcmp(model->BSIM4version, "4.6.3") != 0)
-        {  fprintf(fplog, "Warning: This model is BSIM4.6.3; you specified a wrong version number.\n");
-           printf("Warning: This model is BSIM4.6.3; you specified a wrong version number.\n");
+        if (strcmp(model->BSIM4version, "4.6.5") != 0)
+        {  fprintf(fplog, "Warning: This model is BSIM4.6.5; you specified a wrong version number.\n");
+           printf("Warning: This model is BSIM4.6.5; you specified a wrong version number.\n");
         }
 	fprintf(fplog, "Model = %s\n", model->BSIM4modName);