diff --git a/proxy/hdrs/HTTP.cc b/proxy/hdrs/HTTP.cc
index 57d89d90eca..dd0800e9542 100644
--- a/proxy/hdrs/HTTP.cc
+++ b/proxy/hdrs/HTTP.cc
@@ -1056,19 +1056,19 @@ http_parser_parse_req(HTTPParser *parser, HdrHeap *heap, HTTPHdrImpl *hh, const
     }
     goto parse_url;
   parse_version4:
-    if ((*cur != 'P') && (*cur != 'p')) {
+    if (*cur != 'P') {
       goto parse_url;
     }
     GETPREV(parse_url);
-    if ((*cur != 'T') && (*cur != 't')) {
+    if (*cur != 'T') {
       goto parse_url;
     }
     GETPREV(parse_url);
-    if ((*cur != 'T') && (*cur != 't')) {
+    if (*cur != 'T') {
       goto parse_url;
     }
     GETPREV(parse_url);
-    if ((*cur != 'H') && (*cur != 'h')) {
+    if (*cur != 'H') {
       goto parse_url;
     }
     version_start = cur;
@@ -1318,19 +1318,19 @@ http_parser_parse_resp(HTTPParser *parser, HdrHeap *heap, HTTPHdrImpl *hh, const
     reason_end    = nullptr;
 
     version_start = cur = line_start;
-    if ((*cur != 'H') && (*cur != 'h')) {
+    if (*cur != 'H') {
       goto eoh;
     }
     GETNEXT(eoh);
-    if ((*cur != 'T') && (*cur != 't')) {
+    if (*cur != 'T') {
       goto eoh;
     }
     GETNEXT(eoh);
-    if ((*cur != 'T') && (*cur != 't')) {
+    if (*cur != 'T') {
       goto eoh;
     }
     GETNEXT(eoh);
-    if ((*cur != 'P') && (*cur != 'p')) {
+    if (*cur != 'P') {
       goto eoh;
     }
     GETNEXT(eoh);
@@ -1459,8 +1459,7 @@ http_parse_version(const char *start, const char *end)
     return HTTP_0_9;
   }
 
-  if (((start[0] == 'H') || (start[0] == 'h')) && ((start[1] == 'T') || (start[1] == 't')) &&
-      ((start[2] == 'T') || (start[2] == 't')) && ((start[3] == 'P') || (start[3] == 'p')) && (start[4] == '/')) {
+  if ((start[0] == 'H') && (start[1] == 'T') && (start[2] == 'T') && (start[3] == 'P') && (start[4] == '/')) {
     start += 5;
 
     maj = 0;
diff --git a/proxy/hdrs/unit_tests/test_Hdrs.cc b/proxy/hdrs/unit_tests/test_Hdrs.cc
index 20ecfa829d3..73022bf6212 100644
--- a/proxy/hdrs/unit_tests/test_Hdrs.cc
+++ b/proxy/hdrs/unit_tests/test_Hdrs.cc
@@ -45,7 +45,7 @@ TEST_CASE("HdrTestHttpParse", "[proxy][hdrtest]")
     int expected_result;
     int expected_bytes_consumed;
   };
-  static const std::array<Test, 20> tests = {{
+  static const std::array<Test, 21> tests = {{
     {"GET /index.html HTTP/1.0\r\n", PARSE_RESULT_DONE, 26},
     {"GET /index.html HTTP/1.0\r\n\r\n***BODY****", PARSE_RESULT_DONE, 28},
     {"GET /index.html HTTP/1.0\r\nUser-Agent: foobar\r\n\r\n***BODY****", PARSE_RESULT_DONE, 48},
@@ -65,6 +65,7 @@ TEST_CASE("HdrTestHttpParse", "[proxy][hdrtest]")
     {"GET /index.html HTTP/1.0\nUser-Agent: foobar\nBoo: foo\n", PARSE_RESULT_DONE, 53},
     {"GET /index.html HTTP/1.0\r\nUser-Agent: foobar\r\n", PARSE_RESULT_DONE, 46},
     {"GET /index.html HTTP/1.0\r\n", PARSE_RESULT_DONE, 26},
+    {"GET /index.html hTTP/1.0\r\n", PARSE_RESULT_ERROR, 26},
     {"", PARSE_RESULT_ERROR, 0},
   }};