diff --git a/libobs-d3d11/d3d11-subsystem.cpp b/libobs-d3d11/d3d11-subsystem.cpp
index bcaa922bb..04f8c1120 100644
--- a/libobs-d3d11/d3d11-subsystem.cpp
+++ b/libobs-d3d11/d3d11-subsystem.cpp
@@ -1342,9 +1342,9 @@ static inline void LogD3DAdapters()
 
 		os_wcs_to_utf8(desc.Description, 0, name, sizeof(name));
 		blog(LOG_INFO, "\tAdapter %u: %s", i, name);
-		blog(LOG_INFO, "\t  Dedicated VRAM: %u",
+		blog(LOG_INFO, "\t  Dedicated VRAM: %" PRIu64,
 		     desc.DedicatedVideoMemory);
-		blog(LOG_INFO, "\t  Shared VRAM:    %u",
+		blog(LOG_INFO, "\t  Shared VRAM:    %" PRIu64,
 		     desc.SharedSystemMemory);
 		blog(LOG_INFO, "\t  PCI ID:         %x:%x", desc.VendorId,
 		     desc.DeviceId);