diff --git a/src/frontend/qt_sdl/Config.cpp b/src/frontend/qt_sdl/Config.cpp
index cfd4b1c0..c28f63af 100644
--- a/src/frontend/qt_sdl/Config.cpp
+++ b/src/frontend/qt_sdl/Config.cpp
@@ -342,7 +342,7 @@ ConfigEntry ConfigFile[] =
     {"MouseHideSeconds", 0, &MouseHideSeconds, 5, false},
     {"PauseLostFocus",   1, &PauseLostFocus,   false, false},
 
-    {"RTCOffset",       3, &RTCOffset,       0LL, true},
+    {"RTCOffset",       3, &RTCOffset,       (int64_t)0, true},
 
     {"DSBatteryLevelOkay",   1, &DSBatteryLevelOkay, true, true},
     {"DSiBatteryLevel",    0, &DSiBatteryLevel, 0xF, true},
@@ -469,7 +469,7 @@ void Save()
         case 0: Platform::FileWriteFormatted(f, "%s=%d\r\n", entry->Name, *(int*)entry->Value); break;
         case 1: Platform::FileWriteFormatted(f, "%s=%d\r\n", entry->Name, *(bool*)entry->Value ? 1:0); break;
         case 2: Platform::FileWriteFormatted(f, "%s=%s\r\n", entry->Name, (*(std::string*)entry->Value).c_str()); break;
-        case 3: Platform::FileWriteFormatted(f, "%s=%"PRId64"\r\n", entry->Name, *(int64_t*)entry->Value); break;
+        case 3: Platform::FileWriteFormatted(f, "%s=%" PRId64 "\r\n", entry->Name, *(int64_t*)entry->Value); break;
         }
     }