diff --git a/mph/model.py b/mph/model.py
index 9e4baa1..0ae42b4 100644
--- a/mph/model.py
+++ b/mph/model.py
@@ -526,7 +526,7 @@ def evaluate(self, expression, unit=None, dataset=None,
             raise RuntimeError(error)
 
         # Try to perform a global evaluation, which may fail.
-        eval = (self/'evaluations').create('Global')
+        eval = (self/'evaluations').create('EvalGlobal')
         eval.property('expr', expression)
         if unit:
             eval.property('unit', unit)
@@ -536,26 +536,28 @@ def evaluate(self, expression, unit=None, dataset=None,
         try:
             log.debug('Trying global evaluation.')
             java = eval.java
-            results = array(java.getData())
+            results = array(java.computeResult())
             if java.isComplex():
-                results = results.astype('complex')
-                results += 1j * array(java.getImagData())
-            eval.remove()
+                results = results[0].astype('complex') + 1j*results[1]
+            else:
+                results = results[0]
             log.info('Finished global evaluation.')
             if inner is None:
                 pass
             elif inner == 'first':
-                results = results[:, 0, :]
+                results = results[0]
             elif inner == 'last':
-                results = results[:, -1, :]
+                results = results[-1]
             else:
                 if isinstance(inner, list):
                     inner = array(inner)
-                results = results[:, inner-1, :]
+                results = results[inner-1]
             return results.squeeze()
         # Move on if this fails. Seems to not be a global expression then.
         except Exception:
             log.debug('Global evaluation failed. Moving on.')
+        finally:
+            eval.remove()
 
         # For particle datasets, create an "EvalPoint" feature.
         if dataset.type() == 'Particle':
diff --git a/tests/test_model.py b/tests/test_model.py
index e0206b8..e700dff 100644
--- a/tests/test_model.py
+++ b/tests/test_model.py
@@ -320,6 +320,13 @@ def test_evaluate():
     D = model.evaluate(expression, unit, dataset, outer=2)
     assert (D[0]  == Df).all()
     assert (D[-1] == Dl).all()
+    # Test varying time steps in parameter sweep. See issue #112.
+    study = model/'studies'/'sweep'
+    (study/'time-dependent').property('tlist', 'range(0, 0.01/d[1/mm], 1)')
+    model.solve(study)
+    assert len(model.evaluate('t', 's', 'parametric sweep', outer=1)) == 101
+    assert len(model.evaluate('t', 's', 'parametric sweep', outer=2)) == 201
+    assert len(model.evaluate('t', 's', 'parametric sweep', outer=3)) == 301
     # Test evaluation of complex-valued global expressions.
     U = model.evaluate('U')
     z = model.evaluate('U + j*U')