diff --git a/tests/reftests/env.win32.test b/tests/reftests/env.win32.test
index 117078b07dd..2c40480f02b 100644
--- a/tests/reftests/env.win32.test
+++ b/tests/reftests/env.win32.test
@@ -6,7 +6,7 @@ N0REP0
 opam-version: "2.0"
 setenv: [
   [ PATH += "XXX:\\" ]
-  [ PATH += "C:\\Devel\\bin1;C:\\Devel\\bin2;C:\\Devel\\bin3;C:\\Devel\\bin4;ZZZ:\\" ]
+  [ PATH += "C:\\Devel\\bin1;C:\\Devel\\bin2;\"C:\\Devel\\bin3;\";C:\\Devel\\bin4;ZZZ:\\" ]
 ]
 x-env-path-rewrite: [
   [ PATH false ]
@@ -21,7 +21,7 @@ The following actions will be performed:
 Done.
 ### opam env --shell=cmd | grep "PATH" | 'XXX:.*' -> ''
 set "MANPATH=:"${BASEDIR}/OPAM/rewriting/man""
-set PATH=${BASEDIR}/OPAM/rewriting/bin;C:\Devel\bin1;C:\Devel\bin2;C:\Devel\bin3;C:\Devel\bin4;ZZZ:\;
+set "PATH=${BASEDIR}/OPAM/rewriting/bin;C:\Devel\bin1;C:\Devel\bin2;"C:\Devel\bin3;";C:\Devel\bin4;ZZZ:\;
 ### opam exec -- opam env --shell=cmd --revert | grep 'ZZZ:' | 'ZZZ:\\.*' -> 'ZZZ:\'
 ### : Test for #5838
 ### opam env | grep MANPATH