diff --git a/ext/php7/configuration.c b/ext/php7/configuration.c
index 498740cc9..346a2f319 100644
--- a/ext/php7/configuration.c
+++ b/ext/php7/configuration.c
@@ -96,6 +96,10 @@ static void dd_ini_env_to_ini_name(const zai_string_view env_name, zai_config_na
         dd_copy_tolower(ini_name->ptr, env_name.ptr);
         ini_name->ptr[sizeof("signalfx") - 1] = '.';
         ini_name->len = env_name.len;
+
+        if (env_name.ptr == strstr(env_name.ptr, "SIGNALFX_TRACE_")) {
+            ini_name->ptr[sizeof("signalfx.trace") - 1] = '.';
+        }
     } else {
         ini_name->len = 0;
         assert(false && "Unexpected env var name: missing 'DD_' prefix");
diff --git a/ext/php8/configuration.c b/ext/php8/configuration.c
index 498740cc9..346a2f319 100644
--- a/ext/php8/configuration.c
+++ b/ext/php8/configuration.c
@@ -96,6 +96,10 @@ static void dd_ini_env_to_ini_name(const zai_string_view env_name, zai_config_na
         dd_copy_tolower(ini_name->ptr, env_name.ptr);
         ini_name->ptr[sizeof("signalfx") - 1] = '.';
         ini_name->len = env_name.len;
+
+        if (env_name.ptr == strstr(env_name.ptr, "SIGNALFX_TRACE_")) {
+            ini_name->ptr[sizeof("signalfx.trace") - 1] = '.';
+        }
     } else {
         ini_name->len = 0;
         assert(false && "Unexpected env var name: missing 'DD_' prefix");
diff --git a/signalfx-setup.php b/signalfx-setup.php
index f10e6a91d..5fa6d01aa 100644
--- a/signalfx-setup.php
+++ b/signalfx-setup.php
@@ -1163,7 +1163,7 @@ function get_ini_settings($requestInitHookPath)
             'description' => 'Enables or disables tracing (set by the installer, do not change it)',
         ],
         [
-            'name' => 'ddtrace.request_init_hook',
+            'name' => 'signalfx.trace.request_init_hook',
             'default' => $requestInitHookPath,
             'commented' => false,
             'description' => 'Path to the request init hook (set by the installer, do not change it)',