diff --git a/signalgen.py b/signalgen.py
index 0ed567b..2505194 100755
--- a/signalgen.py
+++ b/signalgen.py
@@ -155,7 +155,7 @@ def addBurst(values):
 				file.write(f"{str(round(dm)).ljust(6)} pc/cc {str(round(pWidth,3))} s {basename}\n")
 		else:
 			dm = values.dm
-			pWidth = 0.001
+			pWidth = values.pWidth
 
 		#first version is very simple, plan on adding more complex injections in future
 		pulseObj = create.SimpleGaussPulse(
@@ -248,6 +248,9 @@ if __name__ == "__main__":
 	parser.add_argument(
 		"-d", "--dm", dest="dm", type=float, help="DM of injected pulse."
 	)
+	parser.add_argument(
+		"-w", "--width", dest=pWidth, type=float, help="Width of desired pulse in seconds."
+	)
 	parser.add_argument(
 		"-n", "--nsamp", type=int, help="Number of samples to take of the generated pulse."
 	)
@@ -261,6 +264,7 @@ if __name__ == "__main__":
 		"-o", "--output", dest="output", type=str, help="Set output directory."
 	)
 	parser.set_defaults(dm=250.0)
+	parser.set_defaults(pWidth=0.001)
 	parser.set_defaults(nsamp=int(3e5))
 	parser.set_defaults(listfile=None)
 	parser.set_defaults(file=None)