diff --git a/render.sh b/render.sh
index 00c2f8a..0ad7aa8 100644
--- a/render.sh
+++ b/render.sh
@@ -8,7 +8,8 @@ render_options_night=("MCIR")
 direction=${f:(-7):(-6)}
 echo $1
 #remove the directory structure from the first argument
-file="${1#'/tmp/'}"
+f1="${1:0:(-4)}"
+file="${f1#'/tmp/'}"
 
 #Isolate data values from filename file should begin with YYYYMMDD-HHMM
 dyear=${file:(0):(4)}