diff --git a/lldb/source/Interpreter/Args.cpp b/lldb/source/Interpreter/Args.cpp
index 6b6fe4649d84..36ea78cee1d6 100644
--- a/lldb/source/Interpreter/Args.cpp
+++ b/lldb/source/Interpreter/Args.cpp
@@ -1002,7 +1002,7 @@ bool Args::ContainsEnvironmentVariable(llvm::StringRef env_var_name,
 
   // Check each arg to see if it matches the env var name.
   for (size_t i = 0; i < GetArgumentCount(); ++i) {
-    auto arg_value = llvm::StringRef::withNullAsEmpty(GetArgumentAtIndex(0));
+    auto arg_value = llvm::StringRef::withNullAsEmpty(GetArgumentAtIndex(i));
 
     llvm::StringRef name, value;
     std::tie(name, value) = arg_value.split('=');