diff --git a/include/polarssl/ssl.h b/include/polarssl/ssl.h
index e31b776..b4796a1 100644
--- a/include/polarssl/ssl.h
+++ b/include/polarssl/ssl.h
@@ -43,13 +43,10 @@
 #include "zlib.h"
 #endif
 
-#if defined(_MSC_VER) && !defined(inline)
-#define inline _inline
-#else
-#if defined(__ARMCC_VERSION) && !defined(inline)
+#if ( defined(__ARMCC_VERSION) || defined(_MSC_VER) ) && \
+    !defined(inline) && !defined(__cplusplus)
 #define inline __inline
-#endif /* __ARMCC_VERSION */
-#endif /*_MSC_VER */
+#endif
 
 /*
  * SSL Error codes