diff --git a/libretro-common/include/compat/posix_string.h b/libretro-common/include/compat/posix_string.h
index 35c8efce66..b59c8fd18a 100644
--- a/libretro-common/include/compat/posix_string.h
+++ b/libretro-common/include/compat/posix_string.h
@@ -24,30 +24,34 @@
 #define __LIBRETRO_SDK_COMPAT_POSIX_STRING_H
 
 #ifdef _MSC_VER
-
 #include <compat/msvc.h>
+#endif
 
 #ifdef __cplusplus
 extern "C" {
 #endif
 
+#ifdef _WIN32
+#undef strtok_r
+#define strtok_r(str, delim, saveptr) rarch_strtok_r__(str, delim, saveptr)
+
+char *strtok_r(char *str, const char *delim, char **saveptr);
+#endif
+
+#ifdef _MSC_VER
 #undef strcasecmp
 #undef strdup
 #undef isblank
-#undef strtok_r
 #define strcasecmp(a, b) rarch_strcasecmp__(a, b)
 #define strdup(orig) rarch_strdup__(orig)
 #define isblank(c) rarch_isblank__(c)
-#define strtok_r(str, delim, saveptr) rarch_strtok_r__(str, delim, saveptr)
 int strcasecmp(const char *a, const char *b);
 char *strdup(const char *orig);
 int isblank(int c);
-char *strtok_r(char *str, const char *delim, char **saveptr);
+#endif
 
 #ifdef __cplusplus
 }
 #endif
 
 #endif
-#endif
-