diff --git a/tests/qtest/fuzz/fuzz.c b/tests/qtest/fuzz/fuzz.c
index d3a3ccdec9..c4dc5fa629 100644
--- a/tests/qtest/fuzz/fuzz.c
+++ b/tests/qtest/fuzz/fuzz.c
@@ -153,6 +153,7 @@ int LLVMFuzzerInitialize(int *argc, char ***argv, char ***envp)
     module_call_init(MODULE_INIT_QOM);
     module_call_init(MODULE_INIT_LIBQOS);
 
+    qemu_init_exec_dir(**argv);
     target_name = strstr(**argv, "-target-");
     if (target_name) {        /* The binary name specifies the target */
         target_name += strlen("-target-");
@@ -165,7 +166,7 @@ int LLVMFuzzerInitialize(int *argc, char ***argv, char ***envp)
          * location of the executable. Using this we add exec_dir/pc-bios to
          * the datadirs.
          */
-        bindir = g_path_get_dirname(**argv);
+        bindir = qemu_get_exec_dir();
         datadir = g_build_filename(bindir, "pc-bios", NULL);
         if (g_file_test(datadir, G_FILE_TEST_IS_DIR)) {
             qemu_add_data_dir(datadir);