diff --git a/get_deps.py b/get_deps.py
index 8ee9a516a2..0fcd01abea 100755
--- a/get_deps.py
+++ b/get_deps.py
@@ -22,6 +22,13 @@ def main():
 	elif not os.path.isdir(args.dest):
 		print('File exists with destination name')
 		sys.exit(1)
+		
+	try:
+		subprocess.check_output(['cygpath', '--help'])
+	except OSError as err:
+		print("Couldn't execute cygpath (Reason: '%s')." % err)
+		print("Make sure you're using a recent version of MSYS2 and that it works correctly.")
+		sys.exit(1)
 
 	sout = subprocess.check_output(['ldd', args.prog])
 	for line in sout.splitlines():
@@ -30,11 +37,22 @@ def main():
 		if dll_name.startswith('???'):
 			print('Unknown DLL?')
 			continue
-		if dll_path.lower().startswith('/c/windows') or dll_path.lower().startswith('c:/windows'):
+		# ldd on msys gives Unix-style paths, but mingw Python wants them Windows-style
+		# Use cygpath to convert the paths, because both mingw and msys Python can handle them
+		dll_path = subprocess.check_output(['cygpath', '-w', dll_path]).strip()
+		if dll_path.lower().startswith('c:\\windows'):
 			print('Skipping system DLL %s' % dll_path)
 			continue
-		print('Copying %s...' % dll_path)
-		shutil.copyfile(dll_path, os.path.join(args.dest, dll_name))
+
+		dest_path = os.path.join(args.dest, dll_name)
+		if os.path.normcase(os.path.realpath(dll_path)) == os.path.normcase(os.path.realpath(dest_path)):
+			# If the DLL is already in the same folder as the executable,
+			# ldd will return the path to that DLL and copyfile will raise an exception
+			# because we try to copy a file over itself
+			print('DLL %s is already next to executable. Skipping copy.' % dll_name)
+		else:
+			print('Copying %s...' % dll_path)
+			shutil.copyfile(dll_path, dest_path)
 
 if __name__ == '__main__':
 	main()