diff --git a/tests/data/test1145 b/tests/data/test1145
index 570197ee97..1a02c031d3 100644
--- a/tests/data/test1145
+++ b/tests/data/test1145
@@ -18,6 +18,8 @@ file:// bad host
 </name>
 # This command should not succeed since we only accept
 # file:/// file://localhost/ file://127.0.0.1/
+# Pass %PWD instead of %FILE_PWD to trigger the expected
+# error code with native Windows curl.
 <command>
 file://bad-host%PWD/%LOGDIR/test%TESTNUMBER.txt
 </command>
diff --git a/tests/data/test1422 b/tests/data/test1422
index a865b5e532..9b45612a9f 100644
--- a/tests/data/test1422
+++ b/tests/data/test1422
@@ -40,7 +40,7 @@ HTTP GET with -O -J and Content-Disposition (empty file)
 CURL_TESTDIR=%LOGDIR
 </setenv>
 <command option="no-output,no-include">
-http://%HOSTIP:%HTTPPORT/%TESTNUMBER -J -O file://%PWD/%LOGDIR/name%TESTNUMBER
+http://%HOSTIP:%HTTPPORT/%TESTNUMBER -J -O file://%FILE_PWD/%LOGDIR/name%TESTNUMBER
 </command>
 </client>
 
diff --git a/tests/data/test1423 b/tests/data/test1423
index 04986396ff..16a4cf31fc 100644
--- a/tests/data/test1423
+++ b/tests/data/test1423
@@ -30,7 +30,7 @@ file
 HTTP GET -o fname without Content-Disposition (empty file)
 </name>
 <command option="no-output,no-include">
-http://%HOSTIP:%HTTPPORT/%TESTNUMBER -o %LOGDIR/outfile%TESTNUMBER file://%PWD/%LOGDIR/outfile%TESTNUMBER
+http://%HOSTIP:%HTTPPORT/%TESTNUMBER -o %LOGDIR/outfile%TESTNUMBER file://%FILE_PWD/%LOGDIR/outfile%TESTNUMBER
 </command>
 </client>
 
diff --git a/tests/data/test1440 b/tests/data/test1440
index dbdfc73619..8ae45753d7 100644
--- a/tests/data/test1440
+++ b/tests/data/test1440
@@ -19,7 +19,7 @@ file
 Check --write-out with trailing %{
 </name>
 <command>
-file://localhost/%PWD/%LOGDIR/non-existent-file.txt --write-out '%{'
+file://localhost/%FILE_PWD/%LOGDIR/non-existent-file.txt --write-out '%{'
 </command>
 </client>
 
diff --git a/tests/data/test1441 b/tests/data/test1441
index 2ff6be036a..16b2a87164 100644
--- a/tests/data/test1441
+++ b/tests/data/test1441
@@ -19,7 +19,7 @@ file
 Check --write-out with trailing %
 </name>
 <command>
-file://localhost/%PWD/%LOGDIR/non-existent-file.txt --write-out '%'
+file://localhost/%FILE_PWD/%LOGDIR/non-existent-file.txt --write-out '%'
 </command>
 </client>
 
diff --git a/tests/data/test1442 b/tests/data/test1442
index 02ecea67f6..0825a1e028 100644
--- a/tests/data/test1442
+++ b/tests/data/test1442
@@ -19,7 +19,7 @@ file
 Check --write-out with trailing \
 </name>
 <command>
-file://localhost/%PWD/%LOGDIR/non-existent-file.txt --write-out '\'
+file://localhost/%FILE_PWD/%LOGDIR/non-existent-file.txt --write-out '\'
 </command>
 </client>
 
diff --git a/tests/data/test201 b/tests/data/test201
index aff9ca2b81..a413ca3ff5 100644
--- a/tests/data/test201
+++ b/tests/data/test201
@@ -21,7 +21,7 @@ file
 missing file:// file
 </name>
 <command>
-file://localhost/%PWD/%LOGDIR/non-existent-file.txt
+file://localhost/%FILE_PWD/%LOGDIR/non-existent-file.txt
 </command>
 </client>
 
diff --git a/tests/data/test205 b/tests/data/test205
index a1b02d8a6e..d3fbce76bd 100644
--- a/tests/data/test205
+++ b/tests/data/test205
@@ -17,7 +17,7 @@ file
 "upload" nonexisting with file://
 </name>
 <command option="no-include">
-file://localhost/%PWD/%LOGDIR/nonexisting/result%TESTNUMBER.txt -T %LOGDIR/upload%TESTNUMBER.txt
+file://localhost/%FILE_PWD/%LOGDIR/nonexisting/result%TESTNUMBER.txt -T %LOGDIR/upload%TESTNUMBER.txt
 </command>
 <file name="%LOGDIR/upload%TESTNUMBER.txt">
 data
diff --git a/tests/data/test2072 b/tests/data/test2072
index caa8c75c2c..7f72b6955f 100644
--- a/tests/data/test2072
+++ b/tests/data/test2072
@@ -24,7 +24,7 @@ file
 file:// with Unix path resolution behavior for the case of extra slashes
 </name>
 <command option="no-include">
-file:////%PWD/%LOGDIR/test%TESTNUMBER.txt
+file:////%FILE_PWD/%LOGDIR/test%TESTNUMBER.txt
 </command>
 <precheck>
 perl -e "print 'Test requires a Unix system' if ( $^O eq 'MSWin32' || $^O eq 'cygwin' || $^O eq 'dos' || $^O eq 'msys');"
diff --git a/tests/data/test3016 b/tests/data/test3016
index d04633c7a1..e1285a325f 100644
--- a/tests/data/test3016
+++ b/tests/data/test3016
@@ -21,7 +21,7 @@ GET a directory using file://
 !win32
 </features>
 <command>
-file://%PWD/
+file://%FILE_PWD/
 </command>
 </client>
 
diff --git a/tests/data/test502 b/tests/data/test502
index 0bca19c623..4e7ce38ae2 100644
--- a/tests/data/test502
+++ b/tests/data/test502
@@ -30,7 +30,7 @@ lib%TESTNUMBER
 simple multi file:// get
 </name>
 <command>
-file://%PWD/%LOGDIR/test%TESTNUMBER.txt
+file://%FILE_PWD/%LOGDIR/test%TESTNUMBER.txt
 </command>
 <file name="%LOGDIR/test%TESTNUMBER.txt">
 foo
diff --git a/tests/servers.pm b/tests/servers.pm
index 9badf5da1f..0be4366a1e 100644
--- a/tests/servers.pm
+++ b/tests/servers.pm
@@ -3104,6 +3104,8 @@ sub subvariables {
     $$thing =~ s/${prefix}DATE/$DATE/g;
     $$thing =~ s/${prefix}TESTNUMBER/$testnum/g;
 
+    # POSIX/MSYS/Cygwin curl needs: file://localhost/d/path/to
+    # Windows native    curl needs: file://localhost/D:/path/to
     my $file_pwd = $pwd;
     if($file_pwd !~ /^\//) {
         $file_pwd = "/$file_pwd";