diff --git a/tests/tests/Cwann/files/wann_inp b/tests/tests/Cwann/files/wann_inp
index 5f35d640a164a51eec0dac8c2157cffa1bb1c28d..646251ad375460150aafad9588b18ce390a7ac18 100644
--- a/tests/tests/Cwann/files/wann_inp
+++ b/tests/tests/Cwann/files/wann_inp
@@ -1,3 +1,3 @@
-wan90version 2
+wan90version 1.2
 projgen
 endjobs
diff --git a/tests/tests/Cwann/files/wann_inp2 b/tests/tests/Cwann/files/wann_inp2
index 2d10ca372d35915b5b1c51feb42c64e5994a4815..29bc76a413ac5a60014d23781868978b0bc4dd25 100644
--- a/tests/tests/Cwann/files/wann_inp2
+++ b/tests/tests/Cwann/files/wann_inp2
@@ -1,4 +1,4 @@
-wan90version 2
+wan90version 1.2
 byindex 1 8
 matrixmmn
 prepwan90
diff --git a/wannier/wannier.F b/wannier/wannier.F
index 428b38162bbe042ff260f1d829175b738ab91851..0cfbcfa504cc80727508de5f8275998869247ef0 100644
--- a/wannier/wannier.F
+++ b/wannier/wannier.F
@@ -707,7 +707,8 @@ c*********************************************************
       allocate ( vr(atoms%jmtd,atoms%ntype,DIMENSION%jspd) )
       allocate ( vso(atoms%jmtd,atoms%nat,2) )
 
-      vz = vTot%vacz
+      vz = 0.0
+      vz(:,:,:SIZE(vTot%vacz,3)) = vTot%vacz(:,:,:)
 
       do jspin = 1,input%jspins
         do n = 1, atoms%ntype