diff --git a/src/jplist.c b/src/jplist.c
index 978c5f9..45f0544 100644
--- a/src/jplist.c
+++ b/src/jplist.c
@@ -490,7 +490,7 @@
         if (endp >= str_end) {
             /* integer */
             val = plist_new_uint((uint64_t)intpart);
-        } else if ((*endp == '.' && endp+1 < str_end && isdigit(*(endp+1))) || ((*endp == 'e' || *endp == 'E') && endp < str_end && (isdigit(*(endp+1)) || ((*(endp+1) == '-') && endp+1 < str_end && isdigit(*(endp+2)))))) {
+        } else if ((*endp == '.' && endp+1 < str_end && isdigit(*(endp+1))) || ((*endp == 'e' || *endp == 'E') && endp+1 < str_end && (isdigit(*(endp+1)) || ((*(endp+1) == '-') && endp+2 < str_end && isdigit(*(endp+2)))))) {
             /* floating point */
             double dval = (double)intpart;
             char* fendp = endp;