diff --git a/test/Makefile.am b/test/Makefile.am
index 0d99d92..cd3b940 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -53,7 +53,8 @@
 	json1.test \
 	json2.test \
 	json3.test \
-	json-invalid-types.test
+	json-invalid-types.test \
+	json-int64-min-max.test
 
 EXTRA_DIST = \
 	$(TESTS) \
@@ -100,7 +101,8 @@
 	data/uid.bplist \
 	data/data.bplist \
 	data/j1.json \
-	data/j2.json
+	data/j2.json \
+	data/int64_min_max.json
 
 TESTS_ENVIRONMENT = \
 	top_srcdir=$(top_srcdir) \
diff --git a/test/data/int64_min_max.json b/test/data/int64_min_max.json
new file mode 100644
index 0000000..7707090
--- /dev/null
+++ b/test/data/int64_min_max.json
@@ -0,0 +1 @@
+{"INT64_MIN":-9223372036854775808,"INT64_MAX":9223372036854775807}
\ No newline at end of file
diff --git a/test/json-int64-min-max.test b/test/json-int64-min-max.test
new file mode 100755
index 0000000..f6ed731
--- /dev/null
+++ b/test/json-int64-min-max.test
@@ -0,0 +1,19 @@
+## -*- sh -*-
+
+set -e
+
+DATASRC=$top_srcdir/test/data
+DATAOUT=$top_builddir/test/data
+TESTFILE=int64_min_max.json
+
+if ! test -d "$DATAOUT"; then
+	mkdir -p $DATAOUT
+fi
+
+export PLIST_JSON_DEBUG=1
+
+echo "Converting"
+$top_builddir/test/plist_jtest $DATASRC/$TESTFILE $DATAOUT/$TESTFILE.out
+
+echo "Comparing"
+$top_builddir/test/plist_cmp $DATASRC/$TESTFILE $DATAOUT/$TESTFILE.out