diff --git a/tools/libacpi/mk_dsdt.c b/tools/libacpi/mk_dsdt.c
index 34f6753f61..0b1818d4e8 100644
--- a/tools/libacpi/mk_dsdt.c
+++ b/tools/libacpi/mk_dsdt.c
@@ -237,6 +237,11 @@ int main(int argc, char **argv)
     pop_block();
     /**** Processor end ****/
 #else
+    if (dm_version == QEMU_NONE) {
+        pop_block();
+        pop_block();
+        return 0;
+    }
 
     /* Operation Region 'PRST': bitmask of online CPUs. */
     stmt("OperationRegion", "PRST, SystemIO, %#x, %d",
@@ -285,10 +290,6 @@ int main(int argc, char **argv)
     pop_block();
     pop_block();
 
-    if (dm_version == QEMU_NONE) {
-        pop_block();
-        return 0;
-    }
     /**** Processor end ****/