diff --git a/src/sourmash/cli/utils.py b/src/sourmash/cli/utils.py
index 82a66dfe9..467ed307f 100644
--- a/src/sourmash/cli/utils.py
+++ b/src/sourmash/cli/utils.py
@@ -51,12 +51,12 @@ def add_moltype_args(parser):
     parser.set_defaults(hp=False)
 
     parser.add_argument(
-            "--skipm1n3",
-            "--skipmer-m1n3",
-            dest="skipm1n3",
-            action="store_true",
-            help="choose skipmer (m1n3) signatures",
-        )
+        "--skipm1n3",
+        "--skipmer-m1n3",
+        dest="skipm1n3",
+        action="store_true",
+        help="choose skipmer (m1n3) signatures",
+    )
 
     parser.add_argument(
         "--no-skipm1n3",
@@ -68,12 +68,12 @@ def add_moltype_args(parser):
     parser.set_defaults(skipm1n3=False)
 
     parser.add_argument(
-            "--skipm2n3",
-            "--skipmer-m2n3",
-            dest="skipm2n3",
-            action="store_true",
-            help="choose skipmer (m2n3) signatures",
-        )
+        "--skipm2n3",
+        "--skipmer-m2n3",
+        dest="skipm2n3",
+        action="store_true",
+        help="choose skipmer (m2n3) signatures",
+    )
     parser.add_argument(
         "--no-skipm2n3",
         "--no-skipmer-m2n3",