diff --git a/tools/test/h5dump/testh5dump.sh.in b/tools/test/h5dump/testh5dump.sh.in
index d50cacbd772..f81a24cd199 100644
--- a/tools/test/h5dump/testh5dump.sh.in
+++ b/tools/test/h5dump/testh5dump.sh.in
@@ -575,7 +575,7 @@ TOOLTESTC() {
 
     tmp_file=/tmp/h5test_tmp_$$
     cp $actual $tmp_file
-    sed -e 's/SIZE [0-9]* ("$txttype"\.[0-9][0-9][0-9]:1 COMPRESSION)/SIZE XXXX ("$txttype".XXX:1 COMPRESSION)/' \
+    sed -e 's/SIZE [0-9]* ('"$txttype"'\.[0-9][0-9][0-9]:1 COMPRESSION)/SIZE XXXX ('"$txttype"'.XXX:1 COMPRESSION)/' \
     < $tmp_file > $actual
     rm -f $tmp_file