diff --git a/samples/crypto/ecdh/prj.conf b/samples/crypto/ecdh/prj.conf
index fc969b376677..e44dfa6375a8 100644
--- a/samples/crypto/ecdh/prj.conf
+++ b/samples/crypto/ecdh/prj.conf
@@ -18,3 +18,6 @@ CONFIG_MBEDTLS_HEAP_SIZE=8192
 CONFIG_PSA_WANT_ALG_ECDH=y
 CONFIG_PSA_WANT_KEY_TYPE_ECC_KEY_PAIR=y
 CONFIG_PSA_WANT_ECC_SECP_R1_256=y
+
+# For key generation
+CONFIG_PSA_WANT_GENERATE_RANDOM=y