diff --git a/AK/Debug.h.in b/AK/Debug.h.in
index d252d5ef947..a554a917eb9 100644
--- a/AK/Debug.h.in
+++ b/AK/Debug.h.in
@@ -210,6 +210,10 @@
 #    cmakedefine01 ICO_DEBUG
 #endif
 
+#ifndef IDL_DEBUG
+#    cmakedefine01 IDL_DEBUG
+#endif
+
 #ifndef ILBM_DEBUG
 #    cmakedefine01 ILBM_DEBUG
 #endif
diff --git a/Meta/CMake/all_the_debug_macros.cmake b/Meta/CMake/all_the_debug_macros.cmake
index 0cbfaac6bad..4d064bca47c 100644
--- a/Meta/CMake/all_the_debug_macros.cmake
+++ b/Meta/CMake/all_the_debug_macros.cmake
@@ -73,6 +73,7 @@ set(HTTPJOB_DEBUG ON)
 set(HUNKS_DEBUG ON)
 set(ICMP_DEBUG ON)
 set(ICO_DEBUG ON)
+set(IDL_DEBUG ON)
 set(ILBM_DEBUG ON)
 set(IMAGE_DECODER_DEBUG ON)
 set(IMAGE_LOADER_DEBUG ON)
diff --git a/Meta/gn/secondary/AK/BUILD.gn b/Meta/gn/secondary/AK/BUILD.gn
index 9322c92694f..6e2cfdffc12 100644
--- a/Meta/gn/secondary/AK/BUILD.gn
+++ b/Meta/gn/secondary/AK/BUILD.gn
@@ -288,6 +288,7 @@ write_cmake_config("ak_debug_gen") {
     "HTTPJOB_DEBUG=",
     "HUNKS_DEBUG=",
     "ICO_DEBUG=",
+    "IDL_DEBUG=",
     "ILBM_DEBUG=",
     "IMAGE_DECODER_DEBUG=",
     "IMAGE_LOADER_DEBUG=",
diff --git a/Userland/Libraries/LibIDL/Types.cpp b/Userland/Libraries/LibIDL/Types.cpp
index cf1c6a1af08..0176977ba62 100644
--- a/Userland/Libraries/LibIDL/Types.cpp
+++ b/Userland/Libraries/LibIDL/Types.cpp
@@ -5,6 +5,7 @@
  * SPDX-License-Identifier: BSD-2-Clause
  */
 
+#include <AK/Debug.h>
 #include <LibIDL/Types.h>
 
 namespace IDL {
@@ -175,7 +176,7 @@ bool Type::is_distinguishable_from(IDL::Interface const& interface, IDL::Type co
             return DistinguishabilityCategory::SequenceLike;
 
         // FIXME: For lack of a better way of determining if something is an interface type, this just assumes anything we don't recognise is one.
-        dbgln("Unable to determine category for type named '{}', assuming it's an interface type.", type.name());
+        dbgln_if(IDL_DEBUG, "Unable to determine category for type named '{}', assuming it's an interface type.", type.name());
         return DistinguishabilityCategory::InterfaceLike;
     };