diff --git a/modules/aerodyn/src/BEMT.f90 b/modules/aerodyn/src/BEMT.f90
index be879948c5..4caee0b8f8 100644
--- a/modules/aerodyn/src/BEMT.f90
+++ b/modules/aerodyn/src/BEMT.f90
@@ -1139,9 +1139,9 @@ subroutine check_turnOffBEMT(p, u, Weight, axInduction, tanInduction, FirstWarn)
    integer(IntKi)                                 :: i                  !< blade node counter
    integer(IntKi)                                 :: j                  !< blade counter
 
-   if( u%TSR < BEMT_upperBoundTSR ) then
+   if( abs(u%TSR) < BEMT_upperBoundTSR ) then
    
-      Weight = BlendCosine( u%TSR, BEMT_lowerBoundTSR, BEMT_upperBoundTSR )
+      Weight = BlendCosine( abs(u%TSR), BEMT_lowerBoundTSR, BEMT_upperBoundTSR )
       
       if (FirstWarn) then
          if (Weight < 1.0_ReKi) then
diff --git a/reg_tests/r-test b/reg_tests/r-test
index 000bc6227b..1db296f230 160000
--- a/reg_tests/r-test
+++ b/reg_tests/r-test
@@ -1 +1 @@
-Subproject commit 000bc6227ba2e94552084145948da2b7696f6860
+Subproject commit 1db296f23054ed2580f0694395e5baaae5f66f4e