diff --git a/contrib/pax_storage/CMakeLists.txt b/contrib/pax_storage/CMakeLists.txt
index 5942f3bd913..e45eab560e6 100644
--- a/contrib/pax_storage/CMakeLists.txt
+++ b/contrib/pax_storage/CMakeLists.txt
@@ -21,7 +21,10 @@ set(CMAKE_CXX_STANDARD 17)
 set(TOP_DIR ${PROJECT_SOURCE_DIR}/../..)
 set(CBDB_INCLUDE_DIR ${TOP_DIR}/src/include)
 set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
-set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Werror -Werror=pessimizing-move  -Wno-unused-function -Wno-error=ignored-qualifiers -Wno-error=array-bounds  -Wuninitialized -Winit-self -Wstrict-aliasing -Wno-missing-field-initializers -Wno-unused-parameter -Wno-clobbered -Wno-sized-deallocation -g")
+# Base CXX flags
+# Note: -Wpessimizing-move is enabled by default in GCC 9+ and will be caught by -Werror
+# No need to explicitly add -Werror=pessimizing-move (which breaks GCC 8.x compatibility)
+set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} -Wall -Wextra -Werror -Wno-unused-function -Wno-error=ignored-qualifiers -Wno-error=array-bounds -Wuninitialized -Winit-self -Wstrict-aliasing -Wno-missing-field-initializers -Wno-unused-parameter -Wno-clobbered -Wno-sized-deallocation -g")
 set(CMAKE_C_FLAGS "${CMAKE_C_FLAGS} -Wall -Wno-unused-parameter -Wno-parameter-name")
 
 option(USE_MANIFEST_API "Use manifest API" OFF)
diff --git a/contrib/pax_storage/src/cpp/comm/fast_io.cc b/contrib/pax_storage/src/cpp/comm/fast_io.cc
index 5b9e593def9..66709189e33 100644
--- a/contrib/pax_storage/src/cpp/comm/fast_io.cc
+++ b/contrib/pax_storage/src/cpp/comm/fast_io.cc
@@ -27,6 +27,13 @@
 
 #include "fast_io.h"
 
+#include <unistd.h>  // for pread
+
+// uring_likely may not be defined in older liburing versions
+#ifndef uring_likely
+#define uring_likely(x) __builtin_expect(!!(x), 1)
+#endif
+
 namespace pax
 {