diff --git a/Objects/abstract.c b/Objects/abstract.c
index a18bb78..7115c52 100644
--- a/Objects/abstract.c
+++ b/Objects/abstract.c
@@ -1652,20 +1652,18 @@
 		if (cmp > 0) {
 			switch (operation) {
 			case PY_ITERSEARCH_COUNT:
-				++n;
-				if (n <= 0) {
-					/* XXX(nnorwitz): int means ssize_t */
+				if (n == PY_SSIZE_T_MAX) {
 					PyErr_SetString(PyExc_OverflowError,
-				                "count exceeds C int size");
+					       "count exceeds C integer size");
 					goto Fail;
 				}
+				++n;
 				break;
 
 			case PY_ITERSEARCH_INDEX:
 				if (wrapped) {
-					/* XXX(nnorwitz): int means ssize_t */
 					PyErr_SetString(PyExc_OverflowError,
-			                	"index exceeds C int size");
+					       "index exceeds C integer size");
 					goto Fail;
 				}
 				goto Done;
@@ -1680,9 +1678,9 @@
 		}
 
 		if (operation == PY_ITERSEARCH_INDEX) {
-			++n;
-			if (n <= 0)
+			if (n == PY_SSIZE_T_MAX)
 				wrapped = 1;
+			++n;
 		}
 	}