diff --git a/tests/data/test1013 b/tests/data/test1013
index aee2bfbefb..ef7cd958aa 100644
--- a/tests/data/test1013
+++ b/tests/data/test1013
@@ -25,7 +25,7 @@ Compare curl --version with curl-config --protocols
 # Verify data after the test has been "shot"
 <verify>
 <postcheck>
-%SRCDIR/libtest/test%TESTNUMBER.pl ../curl-config %LOGDIR/stdout%TESTNUMBER protocols
+%PERL %SRCDIR/libtest/test%TESTNUMBER.pl ../curl-config %LOGDIR/stdout%TESTNUMBER protocols
 </postcheck>
 <errorcode>
 0
diff --git a/tests/data/test1014 b/tests/data/test1014
index 7dce0d8e15..72289bc4ad 100644
--- a/tests/data/test1014
+++ b/tests/data/test1014
@@ -25,7 +25,7 @@ Compare curl --version with curl-config --features
 # Verify data after the test has been "shot"
 <verify>
 <postcheck>
-%SRCDIR/libtest/test1013.pl ../curl-config %LOGDIR/stdout%TESTNUMBER features > %LOGDIR/result%TESTNUMBER
+%PERL %SRCDIR/libtest/test1013.pl ../curl-config %LOGDIR/stdout%TESTNUMBER features > %LOGDIR/result%TESTNUMBER
 </postcheck>
 <errorcode>
 0
diff --git a/tests/data/test1022 b/tests/data/test1022
index 888c9ea102..b3b6bc04a2 100644
--- a/tests/data/test1022
+++ b/tests/data/test1022
@@ -25,7 +25,7 @@ Compare curl --version with curl-config --version
 # Verify data after the test has been "shot"
 <verify>
 <postcheck>
-%SRCDIR/libtest/test%TESTNUMBER.pl ../curl-config %LOGDIR/stdout%TESTNUMBER version
+%PERL %SRCDIR/libtest/test%TESTNUMBER.pl ../curl-config %LOGDIR/stdout%TESTNUMBER version
 </postcheck>
 <errorcode>
 0
diff --git a/tests/data/test1023 b/tests/data/test1023
index 40fb11f81e..6e55d235e8 100644
--- a/tests/data/test1023
+++ b/tests/data/test1023
@@ -25,7 +25,7 @@ Compare curl --version with curl-config --vernum
 # Verify data after the test has been "shot"
 <verify>
 <postcheck>
-%SRCDIR/libtest/test1022.pl ../curl-config %LOGDIR/stdout%TESTNUMBER vernum
+%PERL %SRCDIR/libtest/test1022.pl ../curl-config %LOGDIR/stdout%TESTNUMBER vernum
 </postcheck>
 <errorcode>
 0