diff --git a/src/home.rs b/src/home.rs
index 18331c8..436eb92 100644
--- a/src/home.rs
+++ b/src/home.rs
@@ -56,7 +56,7 @@ impl HomeRebuildArgs {
         debug!("hm_config_name: {}", hm_config_name);
 
         let flakeref = format!(
-            "{}#homeConfigurations.{}.config.home.activationPackage",
+            "{}#homeConfigurations.\"{}\".config.home.activationPackage",
             &self.common.flakeref.deref(),
             hm_config_name
         );
diff --git a/src/nixos.rs b/src/nixos.rs
index 246c1d1..bfb0cf8 100644
--- a/src/nixos.rs
+++ b/src/nixos.rs
@@ -43,7 +43,7 @@ impl OsRebuildArgs {
         debug!("out_link {:?}", out_link);
 
         let flake_output = format!(
-            "{}#nixosConfigurations.{:?}.config.system.build.toplevel",
+            "{}#nixosConfigurations.\"{:?}\".config.system.build.toplevel",
             &self.common.flakeref.deref(),
             hostname
         );