2 files changed, 2 insertions, 0 deletions
diff --git a/modules/coreinfo/default.nix b/modules/coreinfo/default.nix
index 7689ba42a15f..d163b021204e 100644
--- a/modules/coreinfo/default.nix
+++ b/modules/coreinfo/default.nix
@@ -9,6 +9,7 @@ in {
     enable = mkEnableOption "coreinfo coreboot secondary payload";
     coreinfoConfig = mkOption {
       type = types.attrsOf (types.nullOr types.str);
+      default = {};
     };
   };
 
diff --git a/modules/corenix/default.nix b/modules/corenix/default.nix
index ddfde736f8b2..3586cf0a904b 100644
--- a/modules/corenix/default.nix
+++ b/modules/corenix/default.nix
@@ -21,6 +21,7 @@ in {
     };
     corebootConfig = mkOption {
       type = types.attrsOf (types.nullOr types.str);
+      default = {};
     };
     rom = mkOption {
       readOnly = true;