diff --git a/src/generators/sqlgeneratorbase.cpp b/src/generators/sqlgeneratorbase.cpp
index 571e484..72a30cd 100644
--- a/src/generators/sqlgeneratorbase.cpp
+++ b/src/generators/sqlgeneratorbase.cpp
@@ -186,6 +186,9 @@ QString SqlGeneratorBase::diff(FieldModel *oldField, FieldModel *newField)
 
 QStringList SqlGeneratorBase::diff(TableModel *oldTable, TableModel *newTable)
 {
+    if (!newTable && !oldTable)
+        return QStringList();
+
     if (oldTable && newTable)
         if (*oldTable == *newTable)
             return QStringList();
diff --git a/src/phrases/assignmentphraselist.cpp b/src/phrases/assignmentphraselist.cpp
index 4142151..b65c8fa 100644
--- a/src/phrases/assignmentphraselist.cpp
+++ b/src/phrases/assignmentphraselist.cpp
@@ -20,7 +20,7 @@
 
 #include "assignmentphraselist.h"
 #include "phrasedata.h"
-#include <phrase.h>
+#include "assignmentphrase.h"
 
 NUT_BEGIN_NAMESPACE