diff --git a/openssl_alloc.hpp b/openssl_alloc.hpp
index 542db55..b872ad1 100644
--- a/openssl_alloc.hpp
+++ b/openssl_alloc.hpp
@@ -9,8 +9,8 @@
 
 extern "C"
 {
-    EVP_MD_CTX* EVP_MD_CTX_new(void);
-    void EVP_MD_CTX_free(EVP_MD_CTX* ctx);
+EVP_MD_CTX* EVP_MD_CTX_new(void);
+void EVP_MD_CTX_free(EVP_MD_CTX* ctx);
 }
 
 #endif // OPENSSL_VERSION_NUMBER < 0x10100000L