diff --git a/library/entropy_poll.h b/library/entropy_poll.h
index 4b193e4..068e7e5 100644
--- a/library/entropy_poll.h
+++ b/library/entropy_poll.h
@@ -34,18 +34,20 @@
  * Default thresholds for built-in sources, in bytes
  */
 /** Minimum for platform source    */
-#define MBEDTLS_ENTROPY_MIN_PLATFORM     32
+#define MBEDTLS_ENTROPY_MIN_PLATFORM 32
 #if !defined(MBEDTLS_ENTROPY_MIN_HARDWARE)
 /** Minimum for the hardware source */
-#define MBEDTLS_ENTROPY_MIN_HARDWARE     32
+#    define MBEDTLS_ENTROPY_MIN_HARDWARE 32
 #endif
 
 #if !defined(MBEDTLS_NO_PLATFORM_ENTROPY)
 /**
  * \brief           Platform-specific entropy poll callback
  */
-int mbedtls_platform_entropy_poll( void *data,
-                           unsigned char *output, size_t len, size_t *olen );
+int mbedtls_platform_entropy_poll(void *data,
+                                  unsigned char *output,
+                                  size_t len,
+                                  size_t *olen);
 #endif
 
 #if defined(MBEDTLS_ENTROPY_HARDWARE_ALT)
@@ -57,8 +59,10 @@
  *
  * \note            This must accept NULL as its first argument.
  */
-int mbedtls_hardware_poll( void *data,
-                           unsigned char *output, size_t len, size_t *olen );
+int mbedtls_hardware_poll(void *data,
+                          unsigned char *output,
+                          size_t len,
+                          size_t *olen);
 #endif
 
 #if defined(MBEDTLS_ENTROPY_NV_SEED)
@@ -67,8 +71,10 @@
  *
  * \note            This must accept NULL as its first argument.
  */
-int mbedtls_nv_seed_poll( void *data,
-                          unsigned char *output, size_t len, size_t *olen );
+int mbedtls_nv_seed_poll(void *data,
+                         unsigned char *output,
+                         size_t len,
+                         size_t *olen);
 #endif
 
 #ifdef __cplusplus