diff --git a/libavutil/tests/adler32.c b/libavutil/tests/adler32.c
index 13f760b477..356e1a97e7 100644
--- a/libavutil/tests/adler32.c
+++ b/libavutil/tests/adler32.c
@@ -27,12 +27,11 @@
 
 #define LEN 7001
 
-static volatile int checksum;
-
 int main(int argc, char **argv)
 {
     int i;
     uint8_t data[LEN];
+    AVAdler checksum;
 
     av_log_set_level(AV_LOG_DEBUG);