diff --git a/CMakeLists.txt b/CMakeLists.txt
index c96afa915..c755cafa5 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -25,7 +25,10 @@ ExternalProject_Add(taglib
 )
 
 set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -std=c++14 -Wno-unused-result -Wno-deprecated-declarations")
+
 set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -g")
+# enable for additional memory checking with fsanitize
+# set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} -g3 -fsanitize=address,undefined")
 set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} -O2")
 
 if (${LINK_STATICALLY} MATCHES "true")
diff --git a/src/core/i18n/Locale.cpp b/src/core/i18n/Locale.cpp
index 651c06c5f..8d8b95a81 100644
--- a/src/core/i18n/Locale.cpp
+++ b/src/core/i18n/Locale.cpp
@@ -55,9 +55,11 @@ static nlohmann::json loadLocaleData(const std::string& fn) {
     char* bytes = nullptr;
     int count = 0;
 
-    if (FileToByteArray(fn, &bytes, count, true)) {
+    if (FileToByteArray(fn, &bytes, count, true) == true) {
         try {
-            return nlohmann::json::parse(bytes);
+            nlohmann::json localeData = nlohmann::json::parse(bytes);
+            free(bytes);
+            return localeData;
         }
         catch (...) {
         }
@@ -180,4 +182,4 @@ int Locale::Dimension(const char* key, int defaultValue) {
     }
 
     return defaultValue; /* not found anywhere */
-}
\ No newline at end of file
+}