diff --git a/duckargs/__init__.py b/duckargs/__init__.py
index 9526dd5..f665a36 100644
--- a/duckargs/__init__.py
+++ b/duckargs/__init__.py
@@ -462,7 +462,11 @@ def _generate_c_getopt_code(processed_args, getopt_string, opts, positionals, ha
                 desc = f"Positional argument #{i + 1} ({arg.var_name})"
                 optarg = f"argv[optind]"
                 ret += '\n'.join(["    " + x for x in _generate_c_opt_lines(arg, desc, optarg)])
-                ret += "\n    optind++;\n\n"
+
+                if i < (len(positionals) - 1):
+                    ret += "\n    optind++;"
+
+                ret += "\n\n"
 
             pass
 
diff --git a/tests/test_data/choices/expected_c.txt b/tests/test_data/choices/expected_c.txt
index 6f2a573..122255b 100644
--- a/tests/test_data/choices/expected_c.txt
+++ b/tests/test_data/choices/expected_c.txt
@@ -80,7 +80,6 @@ int parse_args(int argc, char *argv[])
     optind++;
 
     pos2 = argv[optind];
-    optind++;
 
     return 0;
 }
diff --git a/tests/test_data/env_all/expected_c.txt b/tests/test_data/env_all/expected_c.txt
index 976b877..8e980a1 100644
--- a/tests/test_data/env_all/expected_c.txt
+++ b/tests/test_data/env_all/expected_c.txt
@@ -104,7 +104,6 @@ int parse_args(int argc, char *argv[])
     optind++;
 
     positional_arg2 = argv[optind];
-    optind++;
 
     return 0;
 }
diff --git a/tests/test_data/env_comment/expected_c.txt b/tests/test_data/env_comment/expected_c.txt
index bfc6661..f0609c0 100644
--- a/tests/test_data/env_comment/expected_c.txt
+++ b/tests/test_data/env_comment/expected_c.txt
@@ -104,7 +104,6 @@ int parse_args(int argc, char *argv[])
     optind++;
 
     positional_arg2 = argv[optind];
-    optind++;
 
     return 0;
 }
diff --git a/tests/test_data/env_print/expected_c.txt b/tests/test_data/env_print/expected_c.txt
index cc17c2b..d6dcb75 100644
--- a/tests/test_data/env_print/expected_c.txt
+++ b/tests/test_data/env_print/expected_c.txt
@@ -107,7 +107,6 @@ int parse_args(int argc, char *argv[])
     optind++;
 
     positional_arg2 = argv[optind];
-    optind++;
 
     return 0;
 }
diff --git a/tests/test_data/many_opts/expected_c.txt b/tests/test_data/many_opts/expected_c.txt
index a2b4339..008eb61 100644
--- a/tests/test_data/many_opts/expected_c.txt
+++ b/tests/test_data/many_opts/expected_c.txt
@@ -208,7 +208,6 @@ int parse_args(int argc, char *argv[])
     optind++;
 
     pos10 = argv[optind];
-    optind++;
 
     return 0;
 }
diff --git a/tests/test_data/negative_hex/expected_c.txt b/tests/test_data/negative_hex/expected_c.txt
index df7e8c1..db61809 100644
--- a/tests/test_data/negative_hex/expected_c.txt
+++ b/tests/test_data/negative_hex/expected_c.txt
@@ -70,7 +70,6 @@ int parse_args(int argc, char *argv[])
         printf("Positional argument #1 (positional_arg0) requires an integer argument\n");
         return -1;
     }
-    optind++;
 
     return 0;
 }
diff --git a/tests/test_data/negative_int/expected_c.txt b/tests/test_data/negative_int/expected_c.txt
index 5055b6b..f1a37a1 100644
--- a/tests/test_data/negative_int/expected_c.txt
+++ b/tests/test_data/negative_int/expected_c.txt
@@ -80,7 +80,6 @@ int parse_args(int argc, char *argv[])
         printf("Positional argument #2 (positional_arg1) requires an integer argument\n");
         return -1;
     }
-    optind++;
 
     return 0;
 }
diff --git a/tests/test_data/normalize_names/expected_c.txt b/tests/test_data/normalize_names/expected_c.txt
index 81f8217..637d903 100644
--- a/tests/test_data/normalize_names/expected_c.txt
+++ b/tests/test_data/normalize_names/expected_c.txt
@@ -87,7 +87,6 @@ int parse_args(int argc, char *argv[])
     optind++;
 
     pos___3 = argv[optind];
-    optind++;
 
     return 0;
 }
diff --git a/tests/test_data/positional_values/expected_c.txt b/tests/test_data/positional_values/expected_c.txt
index bb83ce4..0a54c83 100644
--- a/tests/test_data/positional_values/expected_c.txt
+++ b/tests/test_data/positional_values/expected_c.txt
@@ -70,7 +70,6 @@ int parse_args(int argc, char *argv[])
     optind++;
 
     hello = argv[optind];
-    optind++;
 
     return 0;
 }
diff --git a/tests/test_data/readme_example/expected_c.txt b/tests/test_data/readme_example/expected_c.txt
index bcf0e65..74f3712 100644
--- a/tests/test_data/readme_example/expected_c.txt
+++ b/tests/test_data/readme_example/expected_c.txt
@@ -107,7 +107,6 @@ int parse_args(int argc, char *argv[])
     optind++;
 
     positional_arg2 = argv[optind];
-    optind++;
 
     return 0;
 }