diff --git a/Source/Engine/Scripting/ManagedCLR/MCore.Mono.cpp b/Source/Engine/Scripting/ManagedCLR/MCore.Mono.cpp
index 018e9a3fb..572f8aec7 100644
--- a/Source/Engine/Scripting/ManagedCLR/MCore.Mono.cpp
+++ b/Source/Engine/Scripting/ManagedCLR/MCore.Mono.cpp
@@ -27,7 +27,7 @@
 #include <ThirdParty/mono-2.0/mono/metadata/mono-config.h>
 #include <ThirdParty/mono-2.0/mono/metadata/mono-gc.h>
 #include <ThirdParty/mono-2.0/mono/metadata/profiler.h>
-#if USE_MONO_DYNAMIC_LIB
+#if !USE_MONO_DYNAMIC_LIB
 #include <ThirdParty/mono-2.0/mono/utils/mono-dl-fallback.h>
 #endif
 
diff --git a/Source/ThirdParty/mono-2.0/mono.Build.cs b/Source/ThirdParty/mono-2.0/mono.Build.cs
index dff081910..f0482acff 100644
--- a/Source/ThirdParty/mono-2.0/mono.Build.cs
+++ b/Source/ThirdParty/mono-2.0/mono.Build.cs
@@ -37,7 +37,7 @@ public class mono : DepsModule
             if (useDynamicLinking)
             {
                 // Dynamic linking (requires mono-2.0-sgen.dll to deploy side-by-side with the Flax)
-                options.PrivateDefinitions.Add("USE_MONO_DYNAMIC_LIB");
+                options.PublicDefinitions.Add("USE_MONO_DYNAMIC_LIB");
                 options.OutputFiles.Add(Path.Combine(depsRoot, "mono-2.0-sgen.lib"));
                 options.DependencyFiles.Add(Path.Combine(depsRoot, "mono-2.0-sgen.dll"));
                 options.OptionalDependencyFiles.Add(Path.Combine(depsRoot, "mono-2.0-sgen.pdb"));
@@ -68,7 +68,7 @@ public class mono : DepsModule
             break;
         }
         case TargetPlatform.Linux:
-            options.PrivateDefinitions.Add("USE_MONO_DYNAMIC_LIB");
+            options.PublicDefinitions.Add("USE_MONO_DYNAMIC_LIB");
             options.DependencyFiles.Add(Path.Combine(depsRoot, "libmonosgen-2.0.so"));
             options.DependencyFiles.Add(Path.Combine(depsRoot, "libmonosgen-2.0.so.1"));
             options.DependencyFiles.Add(Path.Combine(depsRoot, "libmonosgen-2.0.so.1.0.0"));
@@ -81,7 +81,7 @@ public class mono : DepsModule
             options.OutputFiles.Add(Path.Combine(depsRoot, "mono.a"));
             break;
         case TargetPlatform.Android:
-            options.PrivateDefinitions.Add("USE_MONO_DYNAMIC_LIB");
+            options.PublicDefinitions.Add("USE_MONO_DYNAMIC_LIB");
             options.DependencyFiles.Add(Path.Combine(depsRoot, "libmonosgen-2.0.so"));
             options.Libraries.Add(Path.Combine(depsRoot, "libmonosgen-2.0.so"));
             break;