diff --git a/patches/ntdll-Dealloc_Thread_Stack/definition b/patches/ntdll-Dealloc_Thread_Stack/definition
index 7b04369a..b0f50a6f 100644
--- a/patches/ntdll-Dealloc_Thread_Stack/definition
+++ b/patches/ntdll-Dealloc_Thread_Stack/definition
@@ -1,2 +1 @@
 Fixes: Do not allow to deallocate thread stack for current thread
-Disabled: true
diff --git a/patches/patchinstall.sh b/patches/patchinstall.sh
index 6359248f..72c8141b 100755
--- a/patches/patchinstall.sh
+++ b/patches/patchinstall.sh
@@ -196,6 +196,7 @@ patch_enable_all ()
 	enable_ntdll_ApiSetQueryApiSetPresence="$1"
 	enable_ntdll_CLI_Images="$1"
 	enable_ntdll_DOS_Attributes="$1"
+	enable_ntdll_Dealloc_Thread_Stack="$1"
 	enable_ntdll_DeviceType_Systemroot="$1"
 	enable_ntdll_DllOverrides_WOW64="$1"
 	enable_ntdll_DllRedirects="$1"
@@ -765,6 +766,9 @@ patch_enable ()
 		ntdll-DOS_Attributes)
 			enable_ntdll_DOS_Attributes="$2"
 			;;
+		ntdll-Dealloc_Thread_Stack)
+			enable_ntdll_Dealloc_Thread_Stack="$2"
+			;;
 		ntdll-DeviceType_Systemroot)
 			enable_ntdll_DeviceType_Systemroot="$2"
 			;;
@@ -4639,6 +4643,19 @@ if test "$enable_ntdll_DOS_Attributes" -eq 1; then
 	) >> "$patchlist"
 fi
 
+# Patchset ntdll-Dealloc_Thread_Stack
+# |
+# | Modified files:
+# |   *	dlls/ntdll/ntdll_misc.h, dlls/ntdll/signal_arm.c, dlls/ntdll/signal_arm64.c, dlls/ntdll/signal_i386.c,
+# | 	dlls/ntdll/signal_powerpc.c, dlls/ntdll/signal_x86_64.c, dlls/ntdll/virtual.c
+# |
+if test "$enable_ntdll_Dealloc_Thread_Stack" -eq 1; then
+	patch_apply ntdll-Dealloc_Thread_Stack/0001-ntdll-Do-not-allow-to-allocate-thread-stack-for-curr.patch
+	(
+		echo '+    { "Sebastian Lackner", "ntdll: Do not allow to deallocate thread stack for current thread.", 1 },';
+	) >> "$patchlist"
+fi
+
 # Patchset ntdll-DeviceType_Systemroot
 # |
 # | This patchset fixes the following Wine bugs: