diff --git a/modules/aerodyn/src/FVW.f90 b/modules/aerodyn/src/FVW.f90
index 2c55f4dc27..7f2bc8a9e5 100644
--- a/modules/aerodyn/src/FVW.f90
+++ b/modules/aerodyn/src/FVW.f90
@@ -1601,7 +1601,7 @@ subroutine UA_Init_Wrapper(AFInfo, InitInp, interval, p, x, xd, OtherState, m, E
          do i = 1,InitInp%numBladeNodes
             InitInp%UA_Init%c(i,1)      = p%W(iW)%chord_LL(i) ! NOTE: InitInp chord move-allocd to p
          end do
-         InitInp%UA_Init%OutRootName     = trim(InitInp%RootName)//'W'//num2lstr(iW)//'.UA'
+         InitInp%UA_Init%OutRootName     = trim(InitInp%RootName)//'W'//trim(num2lstr(iW))//'.UA'
 
          InitInp%UA_Init%ShedEffect      = .False. ! Important, when coupling UA wih vortex code, shed vorticity is inherently accounted for
          InitInp%UA_Init%UAOff_innerNode(1) = InitInp%W(iW)%UAOff_innerNode