1 files changed, 2 insertions, 0 deletions
diff --git a/io.c b/io.c
index 40f9abfd21..27bfec1c16 100644
--- a/io.c
+++ b/io.c
@@ -18,6 +18,8 @@
 #include <ctype.h>
 #include <errno.h>
 
+#define free(x) xfree(x)
+
 #if defined(DOSISH) || defined(__CYGWIN__)
 #include <io.h>
 #endif