diff --git a/src/dlite-misc.c b/src/dlite-misc.c
index 866e7dd01..2bcccaa56 100644
--- a/src/dlite-misc.c
+++ b/src/dlite-misc.c
@@ -549,7 +549,7 @@ static void dlite_err_handler(const ErrRecord *record)
 {
 #ifdef WITH_PYTHON
   if (record->level != errLevelError ||
-      !getenv("DLITE_PYDEBUG") ||
+      getenv("DLITE_PYDEBUG") ||
       !dlite_err_ignored_get(record->eval))
     err_default_handler(record);
 #else  /* WITH_PYTHON */