diff --git a/fips/fips.h b/fips/fips.h
index 79160bbaa..6f7365502 100644
--- a/fips/fips.h
+++ b/fips/fips.h
@@ -202,6 +202,7 @@ void ERR_load_FIPS_strings(void);
 #define FIPS_F_FIPS_CHECK_RSA				 106
 #define FIPS_F_FIPS_CIPHERINIT				 128
 #define FIPS_F_FIPS_DIGESTINIT				 127
+#define FIPS_F_FIPS_DRBG_BYTES				 142
 #define FIPS_F_FIPS_DRBG_GENERATE			 132
 #define FIPS_F_FIPS_DRBG_GENERATE_INTERNAL		 138
 #define FIPS_F_FIPS_DRBG_HEALTH_CHECK			 137
@@ -242,6 +243,7 @@ void ERR_load_FIPS_strings(void);
 #define FIPS_R_ENTROPY_NOT_REQUESTED_FOR_RESEED		 134
 #define FIPS_R_ERROR_INITIALISING_DRBG			 120
 #define FIPS_R_ERROR_INSTANTIATING_DRBG			 121
+#define FIPS_R_ERROR_RETRIEVING_ADDITIONAL_INPUT	 144
 #define FIPS_R_ERROR_RETRIEVING_ENTROPY			 122
 #define FIPS_R_ERROR_RETRIEVING_NONCE			 123
 #define FIPS_R_EXE_DIGEST_DOES_NOT_MATCH		 105
diff --git a/fips/rand/fips_drbg_rand.c b/fips/rand/fips_drbg_rand.c
index 4e02fd940..1863026bd 100644
--- a/fips/rand/fips_drbg_rand.c
+++ b/fips/rand/fips_drbg_rand.c
@@ -65,7 +65,7 @@
 /* Mapping of SP800-90 DRBGs to OpenSSL RAND_METHOD */
 
 /* Since we only have one global PRNG used at any time in OpenSSL use a global
- * variable to store contexts.
+ * variable to store context.
  */
 
 static DRBG_CTX ossl_dctx;
@@ -94,7 +94,7 @@ static int fips_drbg_bytes(unsigned char *out, int count)
 			adinlen = dctx->get_adin(dctx, &adin);
 			if (adinlen && !adin)
 				{
-				/* ERROR */
+				FIPSerr(FIPS_F_FIPS_DRBG_BYTES, FIPS_R_ERROR_RETRIEVING_ADDITIONAL_INPUT);
 				goto err;
 				}
 			}