diff --git a/README.md b/README.md
index f8c79995..fe82b30b 100644
--- a/README.md
+++ b/README.md
@@ -40,6 +40,7 @@
 | `--disable-bitmessage`      | Disable use of BitMessage completely.          |
 | `--disable-base128`         | Disable base128 encoding for minidumps.        |
 | `--no-new-structure`        | Do not use new virtual path structure (separating headers and source files). |
+| `--iw4x-zones`              | Zonebuilder generates iw4x zones that cannot be loaded without IW4x specific patches. |
 
 ## Command line arguments
 
diff --git a/premake5.lua b/premake5.lua
index ea000824..91bee2df 100644
--- a/premake5.lua
+++ b/premake5.lua
@@ -74,6 +74,11 @@ newoption {
 	description = "Upload minidumps even for Debug builds."
 }
 
+newoption {
+	trigger = "iw4x-zones",
+	description = "Zonebuilder generates iw4x zones that cannot be loaded without IW4x specific patches."
+}
+
 newaction {
 	trigger = "version",
 	description = "Returns the version string for the current commit of the source code.",
@@ -324,6 +329,9 @@ workspace "iw4x"
 		if _OPTIONS["force-exception-handler"] then
 			defines { "FORCE_EXCEPTION_HANDLER" }
 		end
+		if _OPTIONS["iw4x-zones"] then
+			defines { "GENERATE_IW4X_SPECIFIC_ZONES" }
+		end
 
 		-- Pre-compiled header
 		pchheader "STDInclude.hpp" -- must be exactly same as used in #include directives
diff --git a/src/Components/Modules/QuickPatch.cpp b/src/Components/Modules/QuickPatch.cpp
index 4b0e78b3..4cdee9f5 100644
--- a/src/Components/Modules/QuickPatch.cpp
+++ b/src/Components/Modules/QuickPatch.cpp
@@ -341,9 +341,6 @@ namespace Components
 
 			// original code
 			mov eax, dword ptr[esp + 0xa0];
-			jmp collide;
-
-		collide:
 			push 0x00478376;
 			retn;
 
@@ -374,11 +371,6 @@ namespace Components
 			// dont eject if g_playerEjection is set to 0
 			je donteject;
 
-			// original code
-			cmp dword ptr[ebx + 19ch], edi;
-			jle eject;
-
-		eject:
 			push 0x005d8152;
 			retn;