diff --git a/suites/hg/benchmarks/perf-bundle-stream-consume.pbd b/suites/hg/benchmarks/perf-bundle-stream-consume.pbd
index ecce575772299ed3204650aecb4edd40421a7b92_c3VpdGVzL2hnL2JlbmNobWFya3MvcGVyZi1idW5kbGUtc3RyZWFtLWNvbnN1bWUucGJk..a5a715d421ca882491aa9f29784ee9da41a3cb6f_c3VpdGVzL2hnL2JlbmNobWFya3MvcGVyZi1idW5kbGUtc3RyZWFtLWNvbnN1bWUucGJk 100644
--- a/suites/hg/benchmarks/perf-bundle-stream-consume.pbd
+++ b/suites/hg/benchmarks/perf-bundle-stream-consume.pbd
@@ -13,6 +13,9 @@
 
 [hg-perf-ext.variants.dimensions.version.v2]
 default = true
-setup-script = "hg bundle --all --type \"none-v2:stream=v2\" ../tmp-bundle.hg"
+setup-script = """
+hg bundle --all \\
+     --type \"none-v2;stream=v2\" \\
+     ../tmp-bundle.hg"""
 
 [hg-perf-ext.variants.dimensions.version.v3]
@@ -17,3 +20,7 @@
 
 [hg-perf-ext.variants.dimensions.version.v3]
-setup-script = "hg bundle --all --type \"none-v2:stream=v3-exp\" ../tmp-bundle.hg --config experimental.stream-v3=yes"
+setup-script = """
+hg bundle --all \\
+     --type \"none-v2;stream=v3-exp\"
+     --config experimental.stream-v3=yes
+     ../tmp-bundle.hg"""
diff --git a/suites/hg/benchmarks/perf-bundle-stream-consume.pkl b/suites/hg/benchmarks/perf-bundle-stream-consume.pkl
index ecce575772299ed3204650aecb4edd40421a7b92_c3VpdGVzL2hnL2JlbmNobWFya3MvcGVyZi1idW5kbGUtc3RyZWFtLWNvbnN1bWUucGts..a5a715d421ca882491aa9f29784ee9da41a3cb6f_c3VpdGVzL2hnL2JlbmNobWFya3MvcGVyZi1idW5kbGUtc3RyZWFtLWNvbnN1bWUucGts 100644
--- a/suites/hg/benchmarks/perf-bundle-stream-consume.pkl
+++ b/suites/hg/benchmarks/perf-bundle-stream-consume.pkl
@@ -15,8 +15,10 @@
         default_key = "v2"
         cases {
             ["v2"] {
-                setup_script = """
-                               hg bundle --all --type "none-v2:stream=v2" ../tmp-bundle.hg
-                               """
+                setup_script = #"""
+                               hg bundle --all \
+                                    --type "none-v2;stream=v2" \
+                                    ../tmp-bundle.hg
+                               """#
             }
             ["v3"] {
@@ -21,8 +23,11 @@
             }
             ["v3"] {
-                setup_script = """
-                               hg bundle --all --type "none-v2:stream=v3-exp" ../tmp-bundle.hg --config experimental.stream-v3=yes
-                               """
+                setup_script = #"""
+                               hg bundle --all \
+                                    --type "none-v2;stream=v3-exp"
+                                    --config experimental.stream-v3=yes
+                                    ../tmp-bundle.hg
+                               """#
             }
         }
     }