diff --git a/panda/src/downloader/crypto_utils.cxx b/panda/src/downloader/crypto_utils.cxx
index b3a52659c2..4255c427ee 100644
--- a/panda/src/downloader/crypto_utils.cxx
+++ b/panda/src/downloader/crypto_utils.cxx
@@ -59,6 +59,6 @@ md5_a_buffer(unsigned char* buf, unsigned long len, HashVal& ret) {
   ret[1] = (outb[4] << 24) | (outb[5] << 16) | (outb[6] << 8) | outb[7];
   ret[2] = (outb[8] << 24) | (outb[9] << 16) | (outb[10] << 8) | outb[11];
   ret[3] = (outb[12] << 24) | (outb[13] << 16) | (outb[14] << 8) | outb[15];
-  delete outb;
+  delete[] outb;
 }