diff --git a/src/bin/common.rs b/src/bin/common.rs
index 0fc106b4ae..b3118baf48 100644
--- a/src/bin/common.rs
+++ b/src/bin/common.rs
@@ -273,10 +273,14 @@ fn get_version() -> &'static str {
 
 fn get_long_version() -> &'static str {
   static LONG_VERSION_STR: Lazy<String> = Lazy::new(|| {
-    let mut rustflags = env!("CARGO_ENCODED_RUSTFLAGS");
-    if rustflags.trim().is_empty() {
-      rustflags = "(None)";
-    }
+    let rustflags = env!("CARGO_ENCODED_RUSTFLAGS");
+    let rustflags = if rustflags.trim().is_empty() {
+      "(None)".to_string()
+    } else {
+      // Replace non-printable ASCII Unit Separator with whitespace
+      rustflags.replace(0x1F as char, " ")
+    };
+
     format!(
       "{}\n{} {}\nCompiled CPU Features: {}\nRuntime Assembly Support: {}{}\nThreading: {}\nUnstable Features: {}\nCompiler Flags: {}",
       get_version(),