1 files changed, 3 insertions, 0 deletions
diff --git a/zutil.h b/zutil.h
index c800fab..b7d5eff 100644
--- a/zutil.h
+++ b/zutil.h
@@ -117,6 +117,9 @@ extern const char * const z_errmsg[10]; /* indexed by 2-zlib_error */
 
 #ifdef OS2
 #  define OS_CODE  0x06
+#  ifdef M_I86
+     #include <malloc.h>
+#  endif
 #endif
 
 #if defined(MACOS) || defined(TARGET_OS_MAC)