diff --git a/src/coreclr/gc/unix/gcenv.unix.cpp b/src/coreclr/gc/unix/gcenv.unix.cpp
index 4ad5f4b3795e80..e70a1126ecce9a 100644
--- a/src/coreclr/gc/unix/gcenv.unix.cpp
+++ b/src/coreclr/gc/unix/gcenv.unix.cpp
@@ -876,7 +876,7 @@ bool ReadMemoryValueFromFile(const char* filename, uint64_t* val)
     return result;
 }
 
-#define UPDATE_CACHE_SIZE_AND_LEVEL(CACHE_LEVEL) if (size > cacheSize) { cacheSize = size; cacheLevel = CACHE_LEVEL; }
+#define UPDATE_CACHE_SIZE_AND_LEVEL(NEW_CACHE_SIZE, NEW_CACHE_LEVEL) if (NEW_CACHE_SIZE > cacheSize) { cacheSize = NEW_CACHE_SIZE; cacheLevel = NEW_CACHE_LEVEL; }
 
 static size_t GetLogicalProcessorCacheSizeFromOS()
 {
@@ -886,19 +886,19 @@ static size_t GetLogicalProcessorCacheSizeFromOS()
 
 #ifdef _SC_LEVEL1_DCACHE_SIZE
     size = ( size_t) sysconf(_SC_LEVEL1_DCACHE_SIZE);
-    UPDATE_CACHE_SIZE_AND_LEVEL(1)
+    UPDATE_CACHE_SIZE_AND_LEVEL(size, 1)
 #endif
 #ifdef _SC_LEVEL2_CACHE_SIZE
     size = ( size_t) sysconf(_SC_LEVEL2_CACHE_SIZE);
-    UPDATE_CACHE_SIZE_AND_LEVEL(2)
+    UPDATE_CACHE_SIZE_AND_LEVEL(size, 2)
 #endif
 #ifdef _SC_LEVEL3_CACHE_SIZE
     size = ( size_t) sysconf(_SC_LEVEL3_CACHE_SIZE);
-    UPDATE_CACHE_SIZE_AND_LEVEL(3)
+    UPDATE_CACHE_SIZE_AND_LEVEL(size, 3)
 #endif
 #ifdef _SC_LEVEL4_CACHE_SIZE
     size = ( size_t) sysconf(_SC_LEVEL4_CACHE_SIZE);
-    UPDATE_CACHE_SIZE_AND_LEVEL(4)
+    UPDATE_CACHE_SIZE_AND_LEVEL(size, 4)
 #endif
 
 #if defined(TARGET_LINUX) && !defined(HOST_ARM) && !defined(HOST_X86)
@@ -926,7 +926,7 @@ static size_t GetLogicalProcessorCacheSizeFromOS()
 
                 if (ReadMemoryValueFromFile(path_to_level_file, &level))
                 {
-                    UPDATE_CACHE_SIZE_AND_LEVEL(level)
+                    UPDATE_CACHE_SIZE_AND_LEVEL(size, level)
                 }
                 else
                 {
diff --git a/src/coreclr/pal/src/misc/sysinfo.cpp b/src/coreclr/pal/src/misc/sysinfo.cpp
index b8840eff002191..953dd1c77bf7b6 100644
--- a/src/coreclr/pal/src/misc/sysinfo.cpp
+++ b/src/coreclr/pal/src/misc/sysinfo.cpp
@@ -539,7 +539,7 @@ ReadMemoryValueFromFile(const char* filename, uint64_t* val)
     return result;
 }
 
-#define UPDATE_CACHE_SIZE_AND_LEVEL(CACHE_LEVEL) if (size > cacheSize) { cacheSize = size; cacheLevel = CACHE_LEVEL; }
+#define UPDATE_CACHE_SIZE_AND_LEVEL(NEW_CACHE_SIZE, NEW_CACHE_LEVEL) if (NEW_CACHE_SIZE > cacheSize) { cacheSize = NEW_CACHE_SIZE; cacheLevel = NEW_CACHE_LEVEL; }
 
 size_t
 PALAPI
@@ -551,19 +551,19 @@ PAL_GetLogicalProcessorCacheSizeFromOS()
 
 #ifdef _SC_LEVEL1_DCACHE_SIZE
     size = ( size_t) sysconf(_SC_LEVEL1_DCACHE_SIZE);
-    UPDATE_CACHE_SIZE_AND_LEVEL(1)
+    UPDATE_CACHE_SIZE_AND_LEVEL(size, 1)
 #endif
 #ifdef _SC_LEVEL2_CACHE_SIZE
     size = ( size_t) sysconf(_SC_LEVEL2_CACHE_SIZE);
-    UPDATE_CACHE_SIZE_AND_LEVEL(2)
+    UPDATE_CACHE_SIZE_AND_LEVEL(size, 2)
 #endif
 #ifdef _SC_LEVEL3_CACHE_SIZE
     size = ( size_t) sysconf(_SC_LEVEL3_CACHE_SIZE);
-    UPDATE_CACHE_SIZE_AND_LEVEL(3)
+    UPDATE_CACHE_SIZE_AND_LEVEL(size, 3)
 #endif
 #ifdef _SC_LEVEL4_CACHE_SIZE
     size = ( size_t) sysconf(_SC_LEVEL4_CACHE_SIZE);
-    UPDATE_CACHE_SIZE_AND_LEVEL(4)
+    UPDATE_CACHE_SIZE_AND_LEVEL(size, 4)
 #endif
 
 #if defined(TARGET_LINUX) && !defined(HOST_ARM) && !defined(HOST_X86)
@@ -591,7 +591,7 @@ PAL_GetLogicalProcessorCacheSizeFromOS()
 
                 if (ReadMemoryValueFromFile(path_to_level_file, &level))
                 {
-                    UPDATE_CACHE_SIZE_AND_LEVEL(level)
+                    UPDATE_CACHE_SIZE_AND_LEVEL(size, level)
                 }
                 else
                 {