diff --git a/signalgen.py b/signalgen.py
index e6e7ce4..cab48ad 100755
--- a/signalgen.py
+++ b/signalgen.py
@@ -164,15 +164,19 @@ def addBurst(values):
 		
 		logger.info("Injecting pulse and saving file.")
 		#inject pulse
+		if run != pulseNum-1:
+			savename = f"{basename}_injected_{run}.fil"
+		else:
+			savename = f"{basename}_injected.fil"
 		inject.inject_constant_into_file(
 			yr_input = filterbankObj,
 			pulse = pulse,
 			start = start,
-			out_fil = path.join("./", f"{basename}_injected.fil")
+			out_fil = path.join("./", savename)
 		)
-		sleep(1) #was a write then read too fast causing issues?
 		#reload into object
-		filterbankObj = Your(path.join("./", f"{basename}_injected_{run}.fil"))
+		if run != pulseNum-1: 
+			filterbankObj = Your(path.join("./", f"{basename}_injected_{run}.fil"))
 		if run > 0:
 			os.remove(path.join("./", f"{basename}_injected_{run-1}.fil"))
 	os.remove(path.join("./", f"{basename}_trunc.fil")) #delete truncated file to save 2GB of disk space