diff --git a/.gitignore b/.gitignore
index 804c7f40..e4ecb46f 100644
--- a/.gitignore
+++ b/.gitignore
@@ -12,6 +12,7 @@
 *.so.[0-9]*
 __pycache__
 bin/
+lib/
 
 # OS generated files #
 #=====================
@@ -65,6 +66,15 @@ externalpackages/triangle/*.zip
 externalpackages/triangle/install
 externalpackages/valgrind/install
 externalpackages/valgrind/src
+externalpackages/*/*.gz
+externalpackages/adolc/src/
+externalpackages/gsl/install/
+externalpackages/gsl/src/
+externalpackages/m1qn3/install/
+externalpackages/petsc/install/
+externalpackages/proj/install/
+externalpackages/proj/src/
+externalpackages/triangle/src/
 
 # Nightly runs #
 #===============
diff --git a/src/c/modules/ModelProcessorx/Transient/UpdateElementsTransient.cpp b/src/c/modules/ModelProcessorx/Transient/UpdateElementsTransient.cpp
index a2d17a1a..59f51433 100644
--- a/src/c/modules/ModelProcessorx/Transient/UpdateElementsTransient.cpp
+++ b/src/c/modules/ModelProcessorx/Transient/UpdateElementsTransient.cpp
@@ -18,4 +18,11 @@ void	UpdateElementsTransient(Elements* elements, Parameters* parameters,Inputs*
 	if(isgroundingline){
 		iomodel->FetchDataToInput(inputs,elements,"md.geometry.bed",BedEnum);
 	}
+
+	/*If we run with adaptive time step, we need to make sure that Vz is provided*/
+	int timestepping_type;
+	iomodel->FindConstant(&timestepping_type,"md.timestepping.type");
+	if(timestepping_type==AdaptiveTimesteppingEnum && iomodel->domaintype==Domain3DEnum){
+		iomodel->FetchDataToInput(inputs,elements,"md.initialization.vz",VzEnum,0.);
+	}
 }