1 files changed, 4 insertions, 0 deletions
diff --git a/src/core/basetypes/MCData.cpp b/src/core/basetypes/MCData.cpp
index be4497a7..d9f14efa 100644
--- a/src/core/basetypes/MCData.cpp
+++ b/src/core/basetypes/MCData.cpp
@@ -721,10 +721,14 @@ void Data::importSerializable(HashMap * serializable)
 ErrorCode Data::writeToFile(String * filename)
 {
     FILE * f = fopen(filename->fileSystemRepresentation(), "wb");
+    if (f == NULL) {
+        return ErrorFile;
+    }
     size_t result = fwrite(bytes(), length(), 1, f);
     if (result == 0) {
         return ErrorFile;
     }
+    fclose(f);
     return ErrorNone;
 }