diff --git a/src/core/Alloc.cpp b/src/core/Alloc.cpp
index a076b70a9..967b4e3ef 100644
--- a/src/core/Alloc.cpp
+++ b/src/core/Alloc.cpp
@@ -17,6 +17,7 @@
 
 #include <QtGlobal>
 #include <cstdint>
+#include <cstdlib>
 #include <sodium.h>
 #if defined(Q_OS_MACOS)
 #include <malloc/malloc.h>
diff --git a/src/keeshare/ShareExport.cpp b/src/keeshare/ShareExport.cpp
index 500d8d3f9..c17c5052c 100644
--- a/src/keeshare/ShareExport.cpp
+++ b/src/keeshare/ShareExport.cpp
@@ -149,8 +149,7 @@ namespace
             KeeShareSettings::Sign sign;
             auto sshKey = own.key.sshKey();
             sshKey.openKey(QString());
-            const Signature signer;
-            sign.signature = signer.create(bytes, sshKey);
+            sign.signature = Signature::create(bytes, sshKey);
             sign.certificate = own.certificate;
             stream << KeeShareSettings::Sign::serialize(sign);
             stream.flush();