diff --git a/src/file_builders/active_runtime_json.rs b/src/file_builders/active_runtime_json.rs
index 4a8dd5d..62e9142 100644
--- a/src/file_builders/active_runtime_json.rs
+++ b/src/file_builders/active_runtime_json.rs
@@ -139,6 +139,7 @@ pub fn set_current_active_runtime_to_profile(profile: &Profile) -> anyhow::Resul
     let dest = get_active_runtime_json_path();
     set_file_readonly(&dest, false)?;
     backup_steam_active_runtime();
+    // TODO: need to escape path spaces here?
     let pfx = profile.clone().prefix;
     let mut ar = build_profile_active_runtime(profile)?;
     // hack: relativize libopenxr_monado.so path for system installs
diff --git a/src/profile.rs b/src/profile.rs
index 6fe83b2..77e88f6 100644
--- a/src/profile.rs
+++ b/src/profile.rs
@@ -62,11 +62,11 @@ impl From<u32> for XRServiceType {
     }
 }
 
-impl Into<u32> for XRServiceType {
-    fn into(self) -> u32 {
-        match self {
-            Self::Monado => 0,
-            Self::Wivrn => 1,
+impl From<&XRServiceType> for u32 {
+    fn from(value: &XRServiceType) -> Self {
+        match value {
+            XRServiceType::Monado => 0,
+            XRServiceType::Wivrn => 1,
         }
     }
 }
@@ -215,12 +215,12 @@ impl From<u32> for LighthouseDriver {
     }
 }
 
-impl Into<u32> for LighthouseDriver {
-    fn into(self) -> u32 {
-        match self {
-            Self::Vive => 0,
-            Self::Survive => 1,
-            Self::SteamVR => 2,
+impl From<&LighthouseDriver> for u32 {
+    fn from(value: &LighthouseDriver) -> Self {
+        match value {
+            LighthouseDriver::Vive => 0,
+            LighthouseDriver::Survive => 1,
+            LighthouseDriver::SteamVR => 2,
         }
     }
 }