diff --git a/src/system/boot/loader/load_driver_settings.cpp b/src/system/boot/loader/load_driver_settings.cpp
index 65aca1dce0..5eabfd4402 100644
--- a/src/system/boot/loader/load_driver_settings.cpp
+++ b/src/system/boot/loader/load_driver_settings.cpp
@@ -67,8 +67,8 @@ apply_boot_settings(void* kernelSettings, void* safemodeSettings)
 {
 #if B_HAIKU_PHYSICAL_BITS > 32
 	if ((kernelSettings != NULL
-			&& get_driver_boolean_parameter(kernelSettings, "4gb_memory_limit",
-				false, false))
+			&& get_driver_boolean_parameter(kernelSettings,
+				B_SAFEMODE_4_GB_MEMORY_LIMIT, false, false))
 		|| (safemodeSettings != NULL
 			&& get_driver_boolean_parameter(safemodeSettings,
 				B_SAFEMODE_4_GB_MEMORY_LIMIT, false, false))) {