diff --git a/src/include/storage/page_compression.h b/src/include/storage/page_compression.h
index a435f79a61c8dd44cd37415394c531409eab9e22..25598e9406c014901fcfdf0f0111eeb3b4fa43ac 100644
--- a/src/include/storage/page_compression.h
+++ b/src/include/storage/page_compression.h
@@ -81,19 +81,19 @@ typedef struct HeapPageCompressData {
     do {                                                                                                    \
         (node).opt = 0;                                                                                     \
         (node).opt = (node).opt << gCmpBitStruct[KPHC_CMP_BYTE_CONVERT_INDEX].bitLen;                       \
-        (node).opt = (byteConvert)&gCmpBitStruct[KPHC_CMP_BYTE_CONVERT_INDEX].mask;                         \
+        (node).opt += (byteConvert)&gCmpBitStruct[KPHC_CMP_BYTE_CONVERT_INDEX].mask;                         \
         (node).opt = (node).opt << gCmpBitStruct[KPHC_CMP_DIFF_CONVERT_INDEX].bitLen;                       \
-        (node).opt = (diffConvert)&gCmpBitStruct[KPHC_CMP_DIFF_CONVERT_INDEX].mask;                         \
+        (node).opt += (diffConvert)&gCmpBitStruct[KPHC_CMP_DIFF_CONVERT_INDEX].mask;                         \
         (node).opt = (node).opt << gCmpBitStruct[KPHC_CMP_PRE_CHUNK_INDEX].bitLen;                          \
-        (node).opt = (preChunks)&gCmpBitStruct[KPHC_CMP_PRE_CHUNK_INDEX].mask;                              \
+        (node).opt += (preChunks)&gCmpBitStruct[KPHC_CMP_PRE_CHUNK_INDEX].mask;                              \
         (node).opt = (node).opt << gCmpBitStruct[KPHC_CMP_COMPERSS_LEVEL_SYMBOL_INDEX].bitLen;              \
-        (node).opt = (symbol)&gCmpBitStruct[KPHC_CMP_COMPERSS_LEVEL_SYMBOL_INDEX].mask;                     \
+        (node).opt += (symbol)&gCmpBitStruct[KPHC_CMP_COMPERSS_LEVEL_SYMBOL_INDEX].mask;                     \
         (node).opt = (node).opt << gCmpBitStruct[KPHC_CMP_LEVEL_INDEX].bitLen;                              \
-        (node).opt = (level)&gCmpBitStruct[KPHC_CMP_LEVEL_INDEX].mask;                                      \
+        (node).opt += (level)&gCmpBitStruct[KPHC_CMP_LEVEL_INDEX].mask;                                      \
         (node).opt = (node).opt << gCmpBitStruct[KPHC_CMP_ALGORITHM_INDEX].bitLen;                          \
-        (node).opt = (algorithm)&gCmpBitStruct[KPHC_CMP_ALGORITHM_INDEX].mask;                              \
+        (node).opt += (algorithm)&gCmpBitStruct[KPHC_CMP_ALGORITHM_INDEX].mask;                              \
         (node).opt = (node).opt << gCmpBitStruct[KPHC_CMP_CHUNK_SIZE_INDEX].bitLen;                         \
-        (node).opt = (chunkSize)&gCmpBitStruct[KPHC_CMP_CHUNK_SIZE_INDEX].mask;                             \
+        (node).opt += (chunkSize)&gCmpBitStruct[KPHC_CMP_CHUNK_SIZE_INDEX].mask;                             \
     } while (0)
 
 #define SUPPORT_COMPRESSED(relKind, relam) \