diff --git a/tests/compliance/check-json.i b/tests/compliance/check-json.i
index 099e2e17565b6a67960038e0fae9cb8474eb2c63..1a3c99c12ae8d2d29779fb562ff4a14844816887 100644
--- a/tests/compliance/check-json.i
+++ b/tests/compliance/check-json.i
@@ -1,7 +1,7 @@
 /*run.config
   NOFRAMAC:
-  EXECNOW: python3 -m json.tool < share/compliance/c11_functions.json > @DEV_NULL@
-  EXECNOW: python3 -m json.tool < share/compliance/glibc_functions.json > @DEV_NULL@
-  EXECNOW: python3 -m json.tool < share/compliance/nonstandard_identifiers.json > @DEV_NULL@
-  EXECNOW: python3 -m json.tool < share/compliance/posix_identifiers.json > @DEV_NULL@
+  EXECNOW: LOG json_@PTEST_NAME@_1.txt python3 -m json.tool < share/compliance/c11_functions.json | head -n 2 > @PTEST_RESULT@/json_@PTEST_NAME@_1.txt 2> @DEV_NULL@
+  EXECNOW: LOG json_@PTEST_NAME@_2.txt python3 -m json.tool < share/compliance/glibc_functions.json | head -n 2 > @PTEST_RESULT@/json_@PTEST_NAME@_2.txt 2> @DEV_NULL@
+  EXECNOW: LOG json_@PTEST_NAME@_3.txt python3 -m json.tool < share/compliance/nonstandard_identifiers.json | head -n 2 > @PTEST_RESULT@/json_@PTEST_NAME@_3.txt 2> @DEV_NULL@
+  EXECNOW: LOG json_@PTEST_NAME@_4.txt python3 -m json.tool < share/compliance/posix_identifiers.json | head -n 2 > @PTEST_RESULT@/json_@PTEST_NAME@_4.txt 2> @DEV_NULL@
 */
diff --git a/tests/compliance/oracle/json_check-json_1.txt b/tests/compliance/oracle/json_check-json_1.txt
new file mode 100644
index 0000000000000000000000000000000000000000..1c7fc7039ae9a32a7e24b026fa194ade1cc32984
--- /dev/null
+++ b/tests/compliance/oracle/json_check-json_1.txt
@@ -0,0 +1,2 @@
+{
+    "description": "C11 reserved function identifiers",
diff --git a/tests/compliance/oracle/json_check-json_2.txt b/tests/compliance/oracle/json_check-json_2.txt
new file mode 100644
index 0000000000000000000000000000000000000000..a7490e8d444cf0359541826585e85c435704ea3e
--- /dev/null
+++ b/tests/compliance/oracle/json_check-json_2.txt
@@ -0,0 +1,2 @@
+{
+    "description": "Function and macro identifiers defined in the GNU C Library",
diff --git a/tests/compliance/oracle/json_check-json_3.txt b/tests/compliance/oracle/json_check-json_3.txt
new file mode 100644
index 0000000000000000000000000000000000000000..0b2f8f38fd6866c709dd788271b9c62fe2a52bf0
--- /dev/null
+++ b/tests/compliance/oracle/json_check-json_3.txt
@@ -0,0 +1,2 @@
+{
+    "description": "Non-ISO C, Non-POSIX identifiers known to the Frama-C standard library",
diff --git a/tests/compliance/oracle/json_check-json_4.txt b/tests/compliance/oracle/json_check-json_4.txt
new file mode 100644
index 0000000000000000000000000000000000000000..cdf3ccde431a21b0e3e97353e314452444a135a1
--- /dev/null
+++ b/tests/compliance/oracle/json_check-json_4.txt
@@ -0,0 +1,2 @@
+{
+    "description": "POSIX.1-2008 reserved function identifiers (plus a few legacy POSIX identifiers)",