diff --git a/test/fuzz/.gitignore b/test/fuzz/.gitignore
index 04612ce5f..f0db76312 100644
--- a/test/fuzz/.gitignore
+++ b/test/fuzz/.gitignore
@@ -1,14 +1,15 @@
+build
+cmake-build-debug
+cmake_install.cmake
 CMakeCache.txt
 CMakeFiles
 crash-*
 default.profraw
-build
-Makefile
-cmake-build-debug
-cmake_install.cmake
-fuzz_hci
-fuzz_hci_transport_h4
 fuzz_ad_parser
 fuzz_att_db
 fuzz_gatt_client
+fuzz_hci
+fuzz_hci_transport_h4
+fuzz_hfp_at_parser
 libbtstack.a
+Makefile
diff --git a/test/fuzz/fuzz_hfp_at_parser.c b/test/fuzz/fuzz_hfp_at_parser.c
new file mode 100644
index 000000000..0ae19c295
--- /dev/null
+++ b/test/fuzz/fuzz_hfp_at_parser.c
@@ -0,0 +1,20 @@
+#include <stdint.h>
+#include <stddef.h>
+
+#include "classic/hfp.h"
+
+int LLVMFuzzerTestOneInput(const uint8_t *data, size_t size) {
+    // test ad iterator by calling simple function that uses it
+    if (size < 1) return 0;
+
+    int is_handsfree = data[0] & 1;
+    hfp_connection_t hfp_connection;
+    memset(&hfp_connection, 0, sizeof(hfp_connection_t));
+
+    uint32_t i;
+    for (i = 1; i < size; i++){
+        hfp_parse(&hfp_connection, data[i], is_handsfree);
+    }
+ 
+    return 0;
+}
diff --git a/test/hfp/.gitignore b/test/hfp/.gitignore
index 36bffa6d6..32a1f020b 100644
--- a/test/hfp/.gitignore
+++ b/test/hfp/.gitignore
@@ -1,7 +1,8 @@
-hfp_hf_client_test
-hfp_ag_client_test
-hfp_hf_parser_test
-hfp_ag_parser_test
 cvsd_plc_test
-results/*
+hfp_ag_client_test
+hfp_ag_parser_test
+hfp_at_parser_test
+hfp_hf_client_test
+hfp_hf_parser_test
 pklg_cvsd_test
+results/*