diff --git a/crypto/evp/e_des.c b/crypto/evp/e_des.c
index cd6e5af..6eb49c0 100644
--- a/crypto/evp/e_des.c
+++ b/crypto/evp/e_des.c
@@ -149,7 +149,8 @@
                            const unsigned char *in, size_t inl)
 {
     size_t n, chunk = EVP_MAXCHUNK / 8;
-    unsigned char c[1], d[1];
+    unsigned char c[1];
+    unsigned char d[1] = { 0 };  /* Appease Coverity */
 
     if (inl < chunk)
         chunk = inl;
diff --git a/crypto/evp/e_des3.c b/crypto/evp/e_des3.c
index 1e15918..c0bc7fd 100644
--- a/crypto/evp/e_des3.c
+++ b/crypto/evp/e_des3.c
@@ -165,7 +165,8 @@
                                 const unsigned char *in, size_t inl)
 {
     size_t n;
-    unsigned char c[1], d[1];
+    unsigned char c[1];
+    unsigned char d[1] = { 0 }; /* Appease Coverity */
 
     if (!EVP_CIPHER_CTX_test_flags(ctx, EVP_CIPH_FLAG_LENGTH_BITS))
             inl *= 8;