diff --git a/src/external/zlib-1.2.11/zlib.3.pdf b/src/external/zlib-1.2.11/zlib.3.pdf
deleted file mode 100644
index 6fa519c5b..000000000
Binary files a/src/external/zlib-1.2.11/zlib.3.pdf and /dev/null differ
diff --git a/src/shared/validate_op.c b/src/shared/validate_op.c
index fc8bb6359..225d8e150 100644
--- a/src/shared/validate_op.c
+++ b/src/shared/validate_op.c
@@ -502,7 +502,9 @@ static const char *__gethour(const char *str, char *ossec_hour)
     } else if ((*str == 'p') || (*str == 'P')) {
         str++;
         if ((*str == 'm') || (*str == 'M')) {
-            chour += 12;
+            if(chour != 12) {
+                chour += 12;
+            }
 
             /* New hour must be valid */
             if (chour < 0 || chour >= 24) {