diff --git a/src/profiles/valve_index.rs b/src/profiles/valve_index.rs
index 4f5f748..a403835 100644
--- a/src/profiles/valve_index.rs
+++ b/src/profiles/valve_index.rs
@@ -15,7 +15,7 @@ pub fn valve_index_profile() -> Profile {
     environment.insert("XRT_COMPOSITOR_COMPUTE".into(), "1".into());
     environment.insert("SURVIVE_GLOBALSCENESOLVER".into(), "0".into());
     environment.insert("SURVIVE_TIMECODE_OFFSET_MS".into(), "-6.94".into());
-    environment.insert("LD_LIBRARY_PATH".into(), format!("{pfx}/lib", pfx = prefix));
+    environment.insert("LD_LIBRARY_PATH".into(), format!("{pfx}/lib:{pfx}/lib64", pfx = prefix));
     Profile {
         uuid: "valve-index-default".into(),
         name: format!("Valve Index - {name} Default", name = APP_NAME),
diff --git a/src/profiles/wivrn.rs b/src/profiles/wivrn.rs
index 34da608..c2a6712 100644
--- a/src/profiles/wivrn.rs
+++ b/src/profiles/wivrn.rs
@@ -10,7 +10,7 @@ pub fn wivrn_profile() -> Profile {
     let data_dir = get_data_dir();
     let prefix = format!("{data}/prefixes/wivrn_default", data = data_dir);
     let mut environment: HashMap<String, String> = HashMap::new();
-    environment.insert("LD_LIBRARY_PATH".into(), format!("{pfx}/lib", pfx = prefix));
+    environment.insert("LD_LIBRARY_PATH".into(), format!("{pfx}/lib:{pfx}/lib64", pfx = prefix));
     Profile {
         uuid: "wivrn-default".into(),
         name: format!("WiVRn - {name} Default", name = APP_NAME),