diff --git a/mswin32/pcap-include/pcap-stdinc.h b/mswin32/pcap-include/pcap-stdinc.h
index 417604177..2d1acb6ad 100644
--- a/mswin32/pcap-include/pcap-stdinc.h
+++ b/mswin32/pcap-include/pcap-stdinc.h
@@ -66,7 +66,11 @@
 #define strdup _strdup
 #endif
 
+#ifndef __cplusplus
+/* C++ has the inline keyword.
+ * Additionally, C++11 forbids redefining a keyword as a macro */
 #define inline __inline 
+#endif
 
 #ifdef __MINGW32__
 #include <stdint.h>