diff --git a/test/simulation/test_index_response.cpp b/test/simulation/test_index_response.cpp
index 2188830..b23394f 100644
--- a/test/simulation/test_index_response.cpp
+++ b/test/simulation/test_index_response.cpp
@@ -94,6 +94,7 @@ TEST_CASE ("Index response", "[index][response]") {
 		"CONTENT_LENGTH=",
 		"SERVER_PORT=80",
 		"HTTPS=",
+		"REQUEST_METHOD=GET",
 		nullptr
 	};
 	SafeStackObject<tawashi::cgi::Env> fake_env(env_raw, "/");
diff --git a/test/unit/test_invalid_utf8_get.cpp b/test/unit/test_invalid_utf8_get.cpp
index 987321f..81b322a 100644
--- a/test/unit/test_invalid_utf8_get.cpp
+++ b/test/unit/test_invalid_utf8_get.cpp
@@ -36,6 +36,7 @@ TEST_CASE ("Retrieve and sanitize invalid an invalid utf-8 text from environment
 	const char* const fake_env[] = {
 		reinterpret_cast<const char*>(path_info_valid),
 		reinterpret_cast<const char*>(path_translated_invalid),
+		"REQUEST_METHOD=GET",
 		nullptr
 	};
 
diff --git a/test/unit/test_invalid_utf8_post.cpp b/test/unit/test_invalid_utf8_post.cpp
index 9581683..df48a16 100644
--- a/test/unit/test_invalid_utf8_post.cpp
+++ b/test/unit/test_invalid_utf8_post.cpp
@@ -52,6 +52,7 @@ TEST_CASE ("Retrieve and sanitize invalid an invalid utf-8 text from POST data",
 	const char* const fake_env[] = {
 		content_length.c_str(),
 		"PATH_INFO=/",
+		"REQUEST_METHOD=GET",
 		nullptr
 	};