diff --git a/src/spicelib/devices/vdmos/vdmosdefs.h b/src/spicelib/devices/vdmos/vdmosdefs.h
index 824ab429d..a388b242a 100644
--- a/src/spicelib/devices/vdmos/vdmosdefs.h
+++ b/src/spicelib/devices/vdmos/vdmosdefs.h
@@ -16,8 +16,6 @@ VDMOS: 2018 Holger Vogt, 2020 Dietmar Warning
 
 /* declarations for VDMOSFETs */
 
-void VDMOStempUpdate(VDMOSmodel *, VDMOSinstance *, double , CKTcircuit *);
-
 /* indices to the array of MOSFET(1) noise sources */
 
 enum {
@@ -541,6 +539,8 @@ enum {
 
 /* model questions */
 
+void VDMOStempUpdate(VDMOSmodel *, VDMOSinstance *, double , CKTcircuit *);
+
 #include "vdmosext.h"
 
 #endif /*VDMOS*/