diff --git a/python/plugins/processing/algs/gdal/GdalUtils.py b/python/plugins/processing/algs/gdal/GdalUtils.py
index dbb02ee8d5b..8fb21a376fa 100644
--- a/python/plugins/processing/algs/gdal/GdalUtils.py
+++ b/python/plugins/processing/algs/gdal/GdalUtils.py
@@ -414,7 +414,7 @@ class GdalUtils:
         return listFile
 
     @staticmethod
-    def gdal_crs_string(crs: QgsCoordinateReferenceSystem) -> str:
+    def gdal_crs_string(crs):
         """
         Converts a QgsCoordinateReferenceSystem to a string understandable
         by GDAL