diff --git a/reactos/cmake/gcc.cmake b/reactos/cmake/gcc.cmake
index f27d80a0bb1..752863eb406 100644
--- a/reactos/cmake/gcc.cmake
+++ b/reactos/cmake/gcc.cmake
@@ -68,7 +68,7 @@ endif()
 
 # Debugging
 if(SEPARATE_DBG)
-    add_compile_flags("-gdwarf-4 -fvar-tracking-assignments")
+    add_compile_flags("-gdwarf-2 -ggdb")
 else()
     add_compile_flags("-gdwarf-2 -gstrict-dwarf")
     if(NOT CMAKE_C_COMPILER_ID STREQUAL "Clang")
diff --git a/reactos/ntoskrnl/CMakeLists.txt b/reactos/ntoskrnl/CMakeLists.txt
index 4d4f3fe254a..cd0ad3b002d 100644
--- a/reactos/ntoskrnl/CMakeLists.txt
+++ b/reactos/ntoskrnl/CMakeLists.txt
@@ -30,7 +30,7 @@ set_subsystem(ntoskrnl native)
 if(MSVC)
     set_image_base(ntoskrnl 0x00400000)
 else()
-    set_image_base(ntoskrnl 0x80800000)
+    set_image_base(ntoskrnl 0x00800000)
 endif()
 
 target_link_libraries(ntoskrnl