diff --git a/deps/labjack/exodriver/build.zig b/deps/labjack/exodriver/build.zig
index d42361d..b468bf2 100644
--- a/deps/labjack/exodriver/build.zig
+++ b/deps/labjack/exodriver/build.zig
@@ -17,6 +17,10 @@ pub fn build(b: *std.Build) !void {
         .link_libc = true,
     });
 
+    if (optimize == .Debug) {
+        liblabjackusb.defineCMacro("LJ_DEBUG", "1");
+    }
+
     liblabjackusb.addCSourceFile(.{ .file = b.path("liblabjackusb/labjackusb.c") });
     liblabjackusb.installHeader(b.path("liblabjackusb/labjackusb.h"), "labjackusb.h");
 
diff --git a/deps/labjack/exodriver/liblabjackusb/labjackusb.c b/deps/labjack/exodriver/liblabjackusb/labjackusb.c
index d37d6a2..6426346 100644
--- a/deps/labjack/exodriver/liblabjackusb/labjackusb.c
+++ b/deps/labjack/exodriver/liblabjackusb/labjackusb.c
@@ -45,9 +45,6 @@
 #define MIN_U6_FIRMWARE_MAJOR   0
 #define MIN_U6_FIRMWARE_MINOR   81
 
-// Set to 0 for no debug logging or 1 for logging.
-#define LJ_DEBUG 0
-
 static bool gIsLibUSBInitialized = false;
 static struct libusb_context *gLJContext = NULL;
 
@@ -505,6 +502,7 @@ static HANDLE LJUSB_OpenSpecificDevice(libusb_device *dev, const struct libusb_d
         return NULL;
     }
 
+#if !defined(_WIN32)
     // Test if the kernel driver has the U12.
     if (desc->idProduct == U12_PRODUCT_ID && libusb_kernel_driver_active(devh, 0)) {
 #if LJ_DEBUG
@@ -521,6 +519,7 @@ static HANDLE LJUSB_OpenSpecificDevice(libusb_device *dev, const struct libusb_d
             return NULL;
         }
     }
+#endif // _WIN32
 
     r = libusb_claim_interface(devh, 0);
     if (r < 0) {
diff --git a/deps/labjack/ljacklm/build.zig b/deps/labjack/ljacklm/build.zig
index 7cb124f..5eba962 100644
--- a/deps/labjack/ljacklm/build.zig
+++ b/deps/labjack/ljacklm/build.zig
@@ -17,6 +17,10 @@ pub fn build(b: *std.Build) !void {
         .link_libc = true,
     });
 
+    if (optimize == .Debug) {
+        libljacklm.defineCMacro("LJ_DEBUG", "1");
+    }
+
     if (target.result.os.tag == .windows) {
         libljacklm.defineCMacro("LJACKLM_USE_WINDOWS_MUTEX_SHIM", "1");
     }
diff --git a/deps/labjack/ljacklm/libljacklm/ljacklm.c b/deps/labjack/ljacklm/libljacklm/ljacklm.c
index eddb20c..d4b434f 100644
--- a/deps/labjack/ljacklm/libljacklm/ljacklm.c
+++ b/deps/labjack/ljacklm/libljacklm/ljacklm.c
@@ -7220,6 +7220,17 @@ long GetU12Information( HANDLE hDevice,
 	temp = (unsigned long)LJUSB_GetDeviceDescriptorReleaseNumber(hDevice) * 65536;  //upper two bytes of serial #
 
 	result = LJUSB_GetHIDReportDescriptor(hDevice, repDesc, 75);
+
+#if defined(LJ_DEBUG)
+
+	fprintf(stderr, "U12 HID ReportDescriptor (hex, %lu B): ", result);
+	for (int idx = 0; idx < result; idx++) {
+		fprintf(stderr, "%02hhX", repDesc[idx]);
+	}
+	fprintf(stderr, "\n");
+
+#endif // LJ_DEBUG
+
 	if(result < 75)
 	{
 		//Failed getting descriptor.  First capability would of been input, so