diff --git a/libtorrent/src/assert.cpp b/libtorrent/src/assert.cpp
index 5548075d4..2595b6114 100644
--- a/libtorrent/src/assert.cpp
+++ b/libtorrent/src/assert.cpp
@@ -34,7 +34,7 @@ POSSIBILITY OF SUCH DAMAGE.
 
 #include <cxxabi.h>
 #include <string>
-#include <ctring>
+#include <cstring>
 #include <stdlib.h>
 
 std::string demangle(char const* name)