1 files changed, 3 insertions, 0 deletions
diff --git a/Src/init.c b/Src/init.c
index 288f95f1b..e59ff16a5 100644
--- a/Src/init.c
+++ b/Src/init.c
@@ -568,6 +568,9 @@ setupvals(void)
 
     init_eprog();
 
+    zero_mnumber.type = MN_INTEGER;
+    zero_mnumber.u.l = 0;
+
     getkeyptr = NULL;
 
     lineno = 1;