diff --git a/src/os_qnx.c b/src/os_qnx.c
index 704061a..1a7250e 100644
--- a/src/os_qnx.c
+++ b/src/os_qnx.c
@@ -148,8 +148,7 @@
 #endif
 	    }
 
-	    STRNCPY( text_clip, str, len );
-	    text_clip[ len ] = NUL;
+	    vim_strncpy( text_clip, str, len );
 
 	    vim_clip[ 1 ] = NUL;