diff --git a/openquake/calculators/extract.py b/openquake/calculators/extract.py
index 501e63072bd..79ff0777235 100644
--- a/openquake/calculators/extract.py
+++ b/openquake/calculators/extract.py
@@ -979,9 +979,8 @@ def extract_gmf_npz(dstore, what):
         # zero GMF
         yield 'rlz-%03d' % rlzi, []
     else:
-        imts = list(oq.imtls)
-        sec_imts = oq.sec_imts
-        gmfa = _gmf(df, n, imts, sec_imts)
+        prim_imts = list(oq.get_primary_imtls())
+        gmfa = _gmf(df, n, prim_imts, oq.sec_imts)
         yield 'rlz-%03d' % rlzi, util.compose_arrays(sites, gmfa)
 
 
diff --git a/openquake/calculators/tests/multi_risk_test.py b/openquake/calculators/tests/multi_risk_test.py
index 40529792cdf..163021ebb8c 100644
--- a/openquake/calculators/tests/multi_risk_test.py
+++ b/openquake/calculators/tests/multi_risk_test.py
@@ -32,7 +32,13 @@ def test_case_1(self):
         # case with volcanic multiperil ASH, LAVA, LAHAR, PYRO
         self.run_calc(case_1.__file__, 'job.ini')
 
-        # check extract
+        # check extract gmf_data, called by QGIS
+        aw = extract(self.calc.datastore, 'gmf_data?event_id=0')
+        ae(len(aw['rlz-000']), 173)
+        ae(aw['rlz-000'].dtype.names,
+           ('custom_site_id', 'lon', 'lat', 'ASH', 'LAVA', 'LAHAR', 'PYRO'))
+
+        # check extract exposure_metadata
         md = json.loads(extract(self.calc.datastore, 'exposure_metadata').json)
         ae(md['names'], ['value-number', 'value-structural', 'occupants_night'])
         ae(md['multi_risk'], ['collapse-structural-ASH_DRY',
diff --git a/openquake/commonlib/oqvalidation.py b/openquake/commonlib/oqvalidation.py
index 032047c64fe..0342a3366a7 100644
--- a/openquake/commonlib/oqvalidation.py
+++ b/openquake/commonlib/oqvalidation.py
@@ -1697,9 +1697,8 @@ def get_primary_imtls(self):
         """
         :returns: IMTs and levels which are not secondary
         """
-        sec_imts = set(self.sec_imts) or self.inputs.get('multi_peril', ())
         return {imt: imls for imt, imls in self.imtls.items()
-                if imt not in sec_imts}
+                if imt not in self.sec_imts}
 
     def hmap_dt(self):  # used for CSV export
         """
@@ -1840,6 +1839,9 @@ def sec_imts(self):
         """
         :returns: a list of secondary outputs
         """
+        mp = self.inputs.get('multi_peril', ())
+        if mp:
+            return list(mp)  # ASH, PYRO, etc
         outs = []
         for sp in self.get_sec_perils():
             outs.extend(sp.outputs)
diff --git a/openquake/hazardlib/gsim/abrahamson_2014.py b/openquake/hazardlib/gsim/abrahamson_2014.py
index 8dc4b899186..f7ef8b66a69 100644
--- a/openquake/hazardlib/gsim/abrahamson_2014.py
+++ b/openquake/hazardlib/gsim/abrahamson_2014.py
@@ -421,6 +421,7 @@ def get_epistemic_sigma(ctx):
 
     return sigma_epi
 
+
 class AbrahamsonEtAl2014(GMPE):
     """
     Implements GMPE by Abrahamson, Silva and Kamai developed within the