diff --git a/src/ssl.c b/src/ssl.c
index b8f3d755b..18963faa1 100644
--- a/src/ssl.c
+++ b/src/ssl.c
@@ -4307,11 +4307,13 @@ Signer* GetCA(void* vp, byte* hash)
     WOLFSSL_CERT_MANAGER* cm = (WOLFSSL_CERT_MANAGER*)vp;
     Signer* ret = NULL;
     Signer* signers;
-    word32  row = HashSigner(hash);
+    word32  row = 0;
 
-    if (cm == NULL)
+    if (cm == NULL || hash == NULL)
         return NULL;
 
+    row = HashSigner(hash);
+
     if (wc_LockMutex(&cm->caLock) != 0)
         return ret;