diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 20918bc..c9489e5 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -6734,6 +6734,10 @@
 /* Random generation */
 /****************************************************************/
 
+#if defined(MBEDTLS_PSA_INJECT_ENTROPY)
+#include "entropy_poll.h"
+#endif
+
 /** Initialize the PSA random generator.
  */
 static void mbedtls_psa_random_init(mbedtls_psa_random_context_t *rng)
@@ -6868,8 +6872,6 @@
 #endif /* MBEDTLS_PSA_CRYPTO_EXTERNAL_RNG */
 
 #if defined(MBEDTLS_PSA_INJECT_ENTROPY)
-#include "entropy_poll.h"
-
 psa_status_t mbedtls_psa_inject_entropy(const uint8_t *seed,
                                         size_t seed_size)
 {