diff --git a/tests/general/getentropy.c b/tests/general/getentropy.c
index 3b7fe0e6c..d52bfbc7a 100644
--- a/tests/general/getentropy.c
+++ b/tests/general/getentropy.c
@@ -1,17 +1,19 @@
 #include <assert.h>
 #include <unistd.h>
+#include <stdbool.h>
 
 int main() {
   char buf[256] = {0};
   int ret = getentropy(buf, 256);
   assert(ret == 0);
 
-  int sum = 0;
+  bool something_nonzero = false;
   for (int i = 0; i < 256; i++) {
-    sum += buf[i];
+    if (buf[i] != 0)
+      something_nonzero = true;
   }
 
-  assert(sum != 0);
+  assert(something_nonzero);
 
   return 0;
 }