diff --git a/speakeasy/windows/win32.py b/speakeasy/windows/win32.py
index 258c261..ef9f1bc 100644
--- a/speakeasy/windows/win32.py
+++ b/speakeasy/windows/win32.py
@@ -359,6 +359,10 @@ class Win32Emulator(WindowsEmulator):
         """
         self.prepare_module_for_emulation(module, all_entrypoints)
 
+        # Update the command line if arguments were supplied via argv (-p)
+        if self.argv:
+            self.command_line = ' '.join(self.get_argv())
+
         # Create an empty process object for the module if none is
         # supplied, only do this for the main module
         if len(self.processes) == 0: