diff --git a/tools/analyzesize.py b/tools/analyzesize.py
index 889222c01..37024f939 100755
--- a/tools/analyzesize.py
+++ b/tools/analyzesize.py
@@ -17,7 +17,7 @@ except FileNotFoundError:
 
 if len(sys.argv) < 3:
     print("Usage: analyzesize.py <info|add|diff> <datasetname>")
-    exit(-1)
+    exit(2)
 action, name = sys.argv[1:3]
 currentdata = subprocess.run(["arm-none-eabi-size","armsrc/obj/fullimage.stage1.elf"], stdout=subprocess.PIPE).stdout
 currentdata = currentdata.split(b"\n")[1].strip()