diff --git a/configure b/configure
index 2e4e13f..fb3def9 100755
--- a/configure
+++ b/configure
@@ -18705,7 +18705,7 @@ else
 		char buf[100];
 		time_t t = 0;
 		strftime (buf, sizeof(buf), "%z", gmtime(&t));
-		return strcmp(buf, "%z") == 0? 1: 0;
+		return (strcmp(buf, "%z") == 0 || strcmp(buf, "z") == 0)? 1: 0;
 	}
 _ACEOF
 if ac_fn_c_try_run "$LINENO"; then :
diff --git a/configure.ac b/configure.ac
index d96ec61..1608a01 100644
--- a/configure.ac
+++ b/configure.ac
@@ -232,7 +232,7 @@ AC_TRY_RUN(
 		char buf[100];
 		time_t t = 0;
 		strftime (buf, sizeof(buf), "%z", gmtime(&t));
-		return strcmp(buf, "%z") == 0? 1: 0;
+		return (strcmp(buf, "%z") == 0 || strcmp(buf, "z") == 0)? 1: 0;
 	}],
 	[
 	 	AC_MSG_RESULT(yes)