diff --git a/corecheck/tests/filter_fdleak b/corecheck/tests/filter_fdleak
index 6dc585e96..b33fb2d73 100755
--- a/corecheck/tests/filter_fdleak
+++ b/corecheck/tests/filter_fdleak
@@ -15,6 +15,9 @@ $dir/../../tests/filter_test_paths                      |
 # Anonymise paths like "(in /foo/bar/libc-baz.so)"
 sed "s/(in \/.*libc.*)$/(in \/...libc...)/"             |
 
+# Anonymise paths like "xxx (../sysdeps/unix/sysv/linux/quux.c:129)"
+sed "s/(\.\.\/sysdeps\/unix\/sysv\/linux\/.*\.c:[0-9]*)$/(in \/...libc...)/" |
+
 # Anonymise paths like "__libc_start_main (../foo/bar/libc-quux.c:129)"
 sed "s/__libc_\(.*\) (.*)$/__libc_\1 (...libc...)/"	|
 
diff --git a/memcheck/tests/filter_stderr b/memcheck/tests/filter_stderr
index 8c2e0faba..4c583fbad 100755
--- a/memcheck/tests/filter_stderr
+++ b/memcheck/tests/filter_stderr
@@ -16,7 +16,10 @@ $dir/../../tests/filter_test_paths                      |
 sed "s/(in \/.*libc.*)$/(in \/...libc...)/"             |
 
 # Anonymise paths like "(within /foo/bar/libc-baz.so)"
-sed "s/(within \/.*libc.*)$/(within \/...libc...)/"             |
+sed "s/(within \/.*libc.*)$/(within \/...libc...)/"      |
+
+# Anonymise paths like "xxx (../sysdeps/unix/sysv/linux/quux.c:129)"
+sed "s/(\.\.\/sysdeps\/unix\/sysv\/linux\/.*\.c:[0-9]*)$/(in \/...libc...)/" |
 
 # Anonymise paths like "__libc_start_main (../foo/bar/libc-quux.c:129)"
 sed "s/__libc_\(.*\) (.*)$/__libc_\1 (...libc...)/"