1 files changed, 4 insertions, 2 deletions
diff --git a/ext/date/date_strptime.c b/ext/date/date_strptime.c
index 26d9fd11bf..4383eb6fa1 100644
--- a/ext/date/date_strptime.c
+++ b/ext/date/date_strptime.c
@@ -669,7 +669,7 @@ date__strptime(const char *str, size_t slen,
     if (fail_p())
 	return Qnil;
 
-    cent = del_hash("_cent");
+    cent = ref_hash("_cent");
     if (!NIL_P(cent)) {
 	VALUE year;
 
@@ -679,9 +679,10 @@ date__strptime(const char *str, size_t slen,
 	year = ref_hash("year");
 	if (!NIL_P(year))
 	    set_hash("year", f_add(year, f_mul(cent, INT2FIX(100))));
+	del_hash("_cent");
     }
 
-    merid = del_hash("_merid");
+    merid = ref_hash("_merid");
     if (!NIL_P(merid)) {
 	VALUE hour;
 
@@ -690,6 +691,7 @@ date__strptime(const char *str, size_t slen,
 	    hour = f_mod(hour, INT2FIX(12));
 	    set_hash("hour", f_add(hour, merid));
 	}
+	del_hash("_merid");
     }
 
     return hash;