diff --git a/CHANGELOG.md b/CHANGELOG.md
index e2c5f23a..dad4f361 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -8,6 +8,7 @@ Version 71:
 * Fix buffer overflow handling for string_body and mutable_body
 * Concept check in basic_dynamic_body
 * Tidy up http_sync_port error check
+* Tidy up Jamroot /permissive-
 
 WebSockets:
 
diff --git a/Jamroot b/Jamroot
index 2f1b84c5..f18adf51 100644
--- a/Jamroot
+++ b/Jamroot
@@ -91,7 +91,7 @@ project beast
     <toolset>clang:<cxxflags>-Wrange-loop-analysis
     <toolset>msvc:<define>_SCL_SECURE_NO_WARNINGS=1
     <toolset>msvc:<define>_CRT_SECURE_NO_WARNINGS=1
-    <toolset>msvc:<cxxflags>"/bigobj /permissive-"
+    <toolset>msvc:<cxxflags>"/permissive- /bigobj"
     <toolset>msvc:<variant>release:<cxxflags>"/Ob2 /Oi /Ot"
     <os>LINUX:<define>_XOPEN_SOURCE=600
     <os>LINUX:<define>_GNU_SOURCE=1