diff --git a/patchfilter.py b/patchfilter.py
index 52ff412..d35bf8d 100644
--- a/patchfilter.py
+++ b/patchfilter.py
@@ -265,6 +265,8 @@ def main():
     zap_line_in_file_start(".spec", "%description license")
     zap_line_in_file_start(".spec", "%package doc")
     zap_line_in_file_start(".spec", "cp -a ")
+    zap_line_in_file_start(".spec", "cd %{_builddir}/")
+    zap_line_in_file_start(".spec", "export GCC_IGNORE_WERROR=1")
  
     zap_line_in_file_start("b/Makefile", "URL =")
     zap_line_in_file_start("b/Makefile", "PKG_NAME :=")