diff --git a/src/libraries/Native/Unix/Common/pal_atomic.h b/src/libraries/Native/Unix/Common/pal_atomic.h
index 719902c5ddf0b..a2ebcf62612dc 100644
--- a/src/libraries/Native/Unix/Common/pal_atomic.h
+++ b/src/libraries/Native/Unix/Common/pal_atomic.h
@@ -9,11 +9,11 @@
 #include "windows.h"
 #endif
 
-static int pal_atomic_cas_ptr(void* volatile* dest, void* exchange, void* comperand)
+static int pal_atomic_cas_ptr(void* volatile* dest, void* exchange, void* comparand)
 {
 #if defined(TARGET_UNIX)
-    return __atomic_compare_exchange_n(dest, exchange, comperand, false, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST);
+    return __atomic_compare_exchange_n(dest, exchange, comparand, false, __ATOMIC_SEQ_CST, __ATOMIC_SEQ_CST);
 #elif defined(TARGET_WINDOWS)
-    return InterlockedCompareExchangePointer(dest, exchange, comperand) == comperand;
+    return InterlockedCompareExchangePointer(dest, exchange, comparand) == comparand;
 #endif
 }
diff --git a/src/libraries/Native/Unix/System.Globalization.Native/pal_calendarData.c b/src/libraries/Native/Unix/System.Globalization.Native/pal_calendarData.c
index f0381ff46ff41..b687ac9071f12 100644
--- a/src/libraries/Native/Unix/System.Globalization.Native/pal_calendarData.c
+++ b/src/libraries/Native/Unix/System.Globalization.Native/pal_calendarData.c
@@ -12,13 +12,13 @@
 #if defined(TARGET_UNIX)
 #include <strings.h>
 
-#define STRING_COPY(destination, numberOfElements, source, count) \
-    strncpy(destination, source, count); \
-    destination[count - 1] = 0;
+#define STRING_COPY(destination, numberOfElements, source) \
+    strncpy(destination, source, numberOfElements); \
+    destination[numberOfElements - 1] = 0;
 
 #elif defined(TARGET_WINDOWS)
 #define strcasecmp _stricmp
-#define STRING_COPY(destination, numberOfElements, source, count) strncpy_s(destination, numberOfElements, source, _TRUNCATE);
+#define STRING_COPY(destination, numberOfElements, source) strncpy_s(destination, numberOfElements, source, _TRUNCATE);
 #endif
 
 #define GREGORIAN_NAME "gregorian"
@@ -316,7 +316,7 @@ static int32_t EnumSymbols(const char* locale,
         return FALSE;
 
     char localeWithCalendarName[ULOC_FULLNAME_CAPACITY];
-    STRING_COPY(localeWithCalendarName, strlen(locale), locale, ULOC_FULLNAME_CAPACITY);
+    STRING_COPY(localeWithCalendarName, sizeof(localeWithCalendarName), locale);
 
     uloc_setKeywordValue("calendar", GetCalendarName(calendarId), localeWithCalendarName, ULOC_FULLNAME_CAPACITY, &err);
 
@@ -423,7 +423,7 @@ static int32_t EnumAbbrevEraNames(const char* locale,
 
     char* localeNamePtr = localeNameBuf;
     char* parentNamePtr = parentNameBuf;
-    STRING_COPY(localeNamePtr, strlen(locale), locale, ULOC_FULLNAME_CAPACITY);
+    STRING_COPY(localeNamePtr, sizeof(localeNameBuf), locale);
 
     while (TRUE)
     {