diff --git a/src/adldap/CMakeLists.txt b/src/adldap/CMakeLists.txt
index 2b37d8f1..349df755 100644
--- a/src/adldap/CMakeLists.txt
+++ b/src/adldap/CMakeLists.txt
@@ -81,7 +81,7 @@ if (EXISTS ${VERSION_H})
              DESTINATION ${SMB_SRC_PATH})
         file(COPY ${SMB_SRC_PATH}/src_older/ndr_sec_helper.c
              DESTINATION ${SMB_SRC_PATH})
-    endif(VERSION_SMB_MINOR GREATER_EQUAL 20)
+    endif(VERSION_SMB_MINOR GREATER_EQUAL 22)
 else()
     message(WARNING "Failed to find Samba version. If its version is 20 or greater, use sources from src_4_20.")
 endif(EXISTS ${VERSION_H})
diff --git a/src/adldap/krb5client.cpp b/src/adldap/krb5client.cpp
index b4a64af2..d6d5f1f8 100644
--- a/src/adldap/krb5client.cpp
+++ b/src/adldap/krb5client.cpp
@@ -228,7 +228,7 @@ void Krb5Client::Krb5ClientImpl::load_caches() {
 
 void Krb5Client::Krb5ClientImpl::load_cache_data(krb5_ccache ccache, bool is_system) {
     krb5_error_code res;
-    krb5_principal principal;
+    krb5_principal principal = nullptr;
     krb5_creds creds;
     Krb5TGTData tgt_data;