diff --git a/c/reg_test/input/comments/Makefile.am b/c/reg_test/input/comments/Makefile.am
index b2da0b476..2570d30f1 100644
--- a/c/reg_test/input/comments/Makefile.am
+++ b/c/reg_test/input/comments/Makefile.am
@@ -7,5 +7,9 @@ EXTRA_DIST=	\
 	comments2.nidx \
 	comments3.nidx \
 	\
+	comments1.json \
+	comments2.json \
+	comments3.json \
+	\
 	comments1.xtab \
 	comments2.xtab
diff --git a/c/reg_test/input/comments/comments1.json b/c/reg_test/input/comments/comments1.json
new file mode 100644
index 000000000..a5d842336
--- /dev/null
+++ b/c/reg_test/input/comments/comments1.json
@@ -0,0 +1,3 @@
+# hello world 1
+{ "a":1, "b":2, "c":3 }
+{ "a":4, "b":5, "c":6 }
diff --git a/c/reg_test/input/comments/comments2.json b/c/reg_test/input/comments/comments2.json
new file mode 100644
index 000000000..d020ac685
--- /dev/null
+++ b/c/reg_test/input/comments/comments2.json
@@ -0,0 +1,3 @@
+{ "a":1, "b":2, "c":3 }
+# hello world 2
+{ "a":4, "b":5, "c":6 }
diff --git a/c/reg_test/input/comments/comments3.json b/c/reg_test/input/comments/comments3.json
new file mode 100644
index 000000000..104fae21c
--- /dev/null
+++ b/c/reg_test/input/comments/comments3.json
@@ -0,0 +1,3 @@
+{ "a":1, "b":2, "c":3 }
+{ "a":4, "b":5, "c":6 }
+# hello world 3