diff --git a/yara.c b/yara.c
index 0d938fb4e7..898e5ce6ad 100644
--- a/yara.c
+++ b/yara.c
@@ -45,7 +45,7 @@ limitations under the License.
 #define ERROR_COULD_NOT_CREATE_THREAD  100
 
 #ifndef MAX_PATH
-#define MAX_PATH 255
+#define MAX_PATH 256
 #endif
 
 #ifndef min
diff --git a/yarac.c b/yarac.c
index 82cf172aef..9a86647a4c 100644
--- a/yarac.c
+++ b/yarac.c
@@ -37,7 +37,7 @@ limitations under the License.
 #include "config.h"
 
 #ifndef MAX_PATH
-#define MAX_PATH 255
+#define MAX_PATH 256
 #endif
 
 #define MAX_ARGS_EXT_VAR   32