diff --git a/misc/build.func b/misc/build.func
index 531ca1a03..7ec76bc37 100644
--- a/misc/build.func
+++ b/misc/build.func
@@ -379,7 +379,7 @@ write_config() {
 
 CT_TYPE="${CT_TYPE}"
 DISK_SIZE="${DISK_SIZE}"
-CORE_COUNT="${DISK_SIZE}"
+CORE_COUNT="${CORE_COUNT}"
 RAM_SIZE="${RAM_SIZE}"
 HN="${HN}"
 BRG="${BRG}"
@@ -411,7 +411,7 @@ EOF
 
 CT_TYPE="${CT_TYPE}"
 DISK_SIZE="${DISK_SIZE}"
-CORE_COUNT="${DISK_SIZE}"
+CORE_COUNT="${CORE_COUNT}"
 RAM_SIZE="${RAM_SIZE}"
 HN="${HN}"
 BRG="${BRG}"