diff --git a/README.md b/README.md
index 36848e0..9e68d97 100644
--- a/README.md
+++ b/README.md
@@ -29,8 +29,7 @@ int main(int argc, char* argv[]) {
     //  -d
     char const * optstring = "ab:c:d";
     int opt_a = 0;
-    char* opt:w
-    _b = 0;
+    char* opt_b = 0;
     char* opt_c = 0;
     int opt_d = 0;
 
diff --git a/source/getopt.c b/source/getopt.c
index 4cb6af1..1b1140c 100644
--- a/source/getopt.c
+++ b/source/getopt.c
@@ -122,7 +122,7 @@ static int _getopt_(int argc, char* const argv[],
                                 ++optind;
                                 optarg = argv[optind];
                             } else {
-                                optarg = pos_eq + 1;
+                                optarg = (char*)pos_eq + 1;
                             }
                             break;
                     }