diff --git a/src/util/StringAPI.hxx b/src/util/StringAPI.hxx
index b25284006..483f8a292 100644
--- a/src/util/StringAPI.hxx
+++ b/src/util/StringAPI.hxx
@@ -141,7 +141,7 @@ gcc_pure gcc_nonnull_all
 static inline bool
 StringIsEqual(const char *a, const char *b) noexcept
 {
-	return strcmp(a, b) == 0;
+	return StringCompare(a, b) == 0;
 }
 
 /**
diff --git a/src/util/WStringAPI.hxx b/src/util/WStringAPI.hxx
index 13d3fd2cf..0fd70b72a 100644
--- a/src/util/WStringAPI.hxx
+++ b/src/util/WStringAPI.hxx
@@ -137,7 +137,7 @@ gcc_pure gcc_nonnull_all
 static inline bool
 StringIsEqual(const wchar_t *str1, const wchar_t *str2) noexcept
 {
-	return wcscmp(str1, str2) == 0;
+	return StringCompare(str1, str2) == 0;
 }
 
 /**