diff --git a/modules/util/plot.py b/modules/util/plot.py
index bed2cad9e07d345b6a282498e30f6668dd0bc64d..059f108b1e447c690908a0d7afec2a0f0660b902 100644
--- a/modules/util/plot.py
+++ b/modules/util/plot.py
@@ -249,6 +249,7 @@ def make_icing_image(clvrx_file, ice_lons, ice_lats, clvrx_str_time, ice_lons_vl
     plt.title(title, loc='left', fontweight='bold', fontsize=24)
     ImageDirAndName = os.path.join('/Users/tomrink', imagename+'_'+clvrx_str_time)
     fig.savefig(ImageDirAndName)
+    h5f.close()
 
 
 # values, edges in Epoch time