diff --git a/modules/OpenQBMM b/modules/OpenQBMM
index cee0fdd438..70d327b25e 160000
--- a/modules/OpenQBMM
+++ b/modules/OpenQBMM
@@ -1 +1 @@
-Subproject commit cee0fdd438c3e90403e90abfb23ef6ead3ab171d
+Subproject commit 70d327b25ed66e4a7bead8c046bda4f87225415d
diff --git a/modules/external-solver b/modules/external-solver
index f3dd3aac02..302f251828 160000
--- a/modules/external-solver
+++ b/modules/external-solver
@@ -1 +1 @@
-Subproject commit f3dd3aac02feac29ccb62fbb147c757b896ea3db
+Subproject commit 302f2518284be5a3c796091357a67fb1ae0250cd
diff --git a/src/phaseSystemModels/multiphaseInter/phasesSystem/massTransferModels/Lee/Lee.C b/src/phaseSystemModels/multiphaseInter/phasesSystem/massTransferModels/Lee/Lee.C
index d7aaacd8f0..10438bd38e 100644
--- a/src/phaseSystemModels/multiphaseInter/phasesSystem/massTransferModels/Lee/Lee.C
+++ b/src/phaseSystemModels/multiphaseInter/phasesSystem/massTransferModels/Lee/Lee.C
@@ -159,7 +159,7 @@ Foam::meltingEvaporationModels::Lee<Thermo, OtherThermo>::KSu
         {
             return
             (
-                coeff*pos(Tactivate_ - refValue)
+                -coeff*pos(Tactivate_ - refValue)
             );
         }
     }