diff --git a/ProcessLib/DeactivatedSubdomain.cpp b/ProcessLib/DeactivatedSubdomain.cpp
index 8ddd1edfbd5213fe41d76574281f19264444245c..5de3ba3ad05c8a846c5f54c169b6ff54089c33f3 100644
--- a/ProcessLib/DeactivatedSubdomain.cpp
+++ b/ProcessLib/DeactivatedSubdomain.cpp
@@ -49,7 +49,7 @@ DeactivatedSubdomain::DeactivatedSubdomain(
 {
 }
 
-bool DeactivatedSubdomain::includesTimeOf(double const t) const
+bool DeactivatedSubdomain::isInTimeSupportInterval(double const t) const
 {
     return time_interval.getSupportMin() <= t &&
            t <= time_interval.getSupportMax();
diff --git a/ProcessLib/DeactivatedSubdomain.h b/ProcessLib/DeactivatedSubdomain.h
index df1327167ba1d13c1af810b7dfb0db3a201bf628..faf562022c07084651a1f775527174fd4f6be642 100644
--- a/ProcessLib/DeactivatedSubdomain.h
+++ b/ProcessLib/DeactivatedSubdomain.h
@@ -76,7 +76,9 @@ struct DeactivatedSubdomain
             deactivated_subdomain_meshes_,
         ParameterLib::Parameter<double> const* boundary_value_parameter);
 
-    bool includesTimeOf(double const t) const;
+    /// \returns true if the given time is included in the subdomains time
+    /// support interval.
+    bool isInTimeSupportInterval(double const t) const;
 
     /// \returns true if the point is in the deactivated part of the subdomain.
     /// The domain is split into two parts by a plane defined as a normal plane
diff --git a/ProcessLib/ProcessVariable.cpp b/ProcessLib/ProcessVariable.cpp
index b88cd1e95046bb838f733bbef377ec56c4a4052e..9b03c01720fd2e21ecdcba2b9f97ff6c0d135943 100644
--- a/ProcessLib/ProcessVariable.cpp
+++ b/ProcessLib/ProcessVariable.cpp
@@ -290,7 +290,7 @@ void ProcessVariable::updateDeactivatedSubdomains(double const time)
 
     auto is_active_in_subdomain = [&](std::size_t const i,
                                       DeactivatedSubdomain const& ds) -> bool {
-        if (!ds.includesTimeOf(time))
+        if (!ds.isInTimeSupportInterval(time))
         {
             return true;
         }