diff --git a/libavutil/opt.c b/libavutil/opt.c
index c7001dbcd3..cfda31ea2f 100644
--- a/libavutil/opt.c
+++ b/libavutil/opt.c
@@ -920,7 +920,10 @@ int av_opt_get_int(void *obj, const char *name, int search_flags, int64_t *out_v
 
     if ((ret = get_number(obj, name, NULL, &num, &den, &intnum, search_flags)) < 0)
         return ret;
-    *out_val = num * intnum / den;
+    if (num == den)
+        *out_val = intnum;
+    else
+        *out_val = num * intnum / den;
     return 0;
 }