diff --git a/README.md b/README.md
index c8eeebd..d7e43d3 100644
--- a/README.md
+++ b/README.md
@@ -120,8 +120,8 @@ option consists of an option name, optionally followed by an `=` sign and
 one or more parameters, separated by commas. The following options are
 recognised:
 
-  * smp
-    * enables the use of multiple CPU cores at startup
+  * nosmp
+    * disables ACPI table parsing and the use of multiple CPU cores
   * nosm
     * disables SMBUS/SPD parsing, DMI decoding and memory benchmark
   * nopause
diff --git a/app/config.c b/app/config.c
index 8fe5406..777838a 100644
--- a/app/config.c
+++ b/app/config.c
@@ -187,8 +187,8 @@ static void parse_option(const char *option, const char *params)
         usb_init_options |= USB_IGNORE_EHCI;
     } else if (strncmp(option, "nopause", 8) == 0) {
         pause_at_start = false;
-    } else if (strncmp(option, "smp", 4) == 0) {
-        smp_enabled = true;
+    } else if (strncmp(option, "nosmp", 6) == 0) {
+        smp_enabled = false;
     } else if (strncmp(option, "trace", 6) == 0) {
         enable_trace = true;
     } else if (strncmp(option, "usbdebug", 9) == 0) {