diff --git a/plotter.py b/plotter.py
index efb7337..2f823dd 100644
--- a/plotter.py
+++ b/plotter.py
@@ -94,7 +94,7 @@ def streamplot(ax, map_h, map_v, extent, **kwargs):
     ax.streamplot(hh, vv, map_h, map_v, **kwargs)
 
 
-def quiver(ax, map_h, map_v, extent, key_v, label, **kwargs):
+def quiver(ax, map_h, map_v, extent, key_v=None, label="", **kwargs):
 
 
     hh, vv = gethv(map_h, map_v, extent)
@@ -228,7 +228,7 @@ class Plotter(Aggregator, BaseProcessor):
         # Select runs
         if selector is None:
             self.selector = RunSelector(
-                path, runs, nums, self.params.input.nml_filename, **kwargs
+                path, runs, nums, self.params.input.nml_filename, unit_time=unit_time, **kwargs
             )
         else:
             self.selector = selector
@@ -968,11 +968,11 @@ class Plotter(Aggregator, BaseProcessor):
         elif kind == "lic":
             line_integral_convolution(plt.gca(), map_h, map_v, extent=extent, **kwargs)
 
-    def _overlay_speed(self, ax_los, **kwargs):
-        self._overlay_vector("speed", ax_los, **kwargs)
+    def _overlay_speed(self, ax_los, extent,  **kwargs):
+        self._overlay_vector("speed", ax_los, extent, **kwargs)
 
-    def _overlay_B(self, ax_los, **kwargs):
-        self._overlay_vector("B", ax_los, **kwargs)
+    def _overlay_B(self, ax_los, extent, **kwargs):
+        self._overlay_vector("B", ax_los, extent, **kwargs)
 
     def _plot_hist(
         self,
diff --git a/snapshotprocessor.py b/snapshotprocessor.py
index 00ccfa4..e4fcd18 100644
--- a/snapshotprocessor.py
+++ b/snapshotprocessor.py
@@ -1363,8 +1363,8 @@ class SnapshotProcessor(HDF5Container):
         f.close()
 
         if first_line[1] == "#":
-            header = first_line[3:-1].split(",")
-            units = second_line[3:-1].split(",")
+            header = first_line[3:-2].split(",")
+            units = second_line[3:-2].split(",")
             df = pd.read_csv(csv_name, header=None, names=header, skiprows=2)
             for key in header:
                 if units[header.index(key)] == "m":
diff --git a/studyprocessor.py b/studyprocessor.py
index 83ef311..80cbcac 100644
--- a/studyprocessor.py
+++ b/studyprocessor.py
@@ -55,7 +55,7 @@ class StudyProcessor(Aggregator, HDF5Container):
         # Select runs
         if selector is None:
             selector = RunSelector(
-                path, runs, nums, self.params.input.nml_filename, **kwargs
+                path, runs, nums, self.params.input.nml_filename, unit_time=unit_time, **kwargs
             )
 
         # Save infos