diff --git a/libavutil/xtea.c b/libavutil/xtea.c
index e729c91d31..5fbfd58efa 100644
--- a/libavutil/xtea.c
+++ b/libavutil/xtea.c
@@ -244,7 +244,7 @@ int main(void)
     AVXTEA ctx;
     uint8_t buf[8], iv[8];
     int i;
-    const uint8_t src[32] = "HelloWorldHelloWorldHelloWorld";
+    static const uint8_t src[32] = "HelloWorldHelloWorldHelloWorld";
     uint8_t ct[32];
     uint8_t pl[32];