diff --git a/reactos/cmake/gcc.cmake b/reactos/cmake/gcc.cmake
index 69c1b5fe928..1423d4426b8 100644
--- a/reactos/cmake/gcc.cmake
+++ b/reactos/cmake/gcc.cmake
@@ -10,7 +10,7 @@ if(NOT DEFINED SEPARATE_DBG)
 endif()
 
 if(NOT DEFINED USE_PSEH3)
-    set(USE_PSEH3 0)
+    set(USE_PSEH3 1)
 endif()
 
 if(USE_PSEH3)