diff --git a/web/vibe/web/common.d b/web/vibe/web/common.d
index 2eb7f4806..ced186adf 100644
--- a/web/vibe/web/common.d
+++ b/web/vibe/web/common.d
@@ -1256,11 +1256,11 @@ package void setVoid(T, U)(ref T dst, U value)
 }
 
 unittest {
-	static assert(!__traits(compiles, { bool[] barr; ParamError err;readFormParamRec(null, barr, "f", true, NestedNameStyle.d, err); }));
-	static assert(__traits(compiles, { bool[2] barr; ParamError err;readFormParamRec(null, barr, "f", true, NestedNameStyle.d, err); }));
+	static assert(!__traits(compiles, { bool[] barr; ParamError err;readFormParamRec(HTTPServerRequest.init, barr, "f", true, NestedNameStyle.d, err); }));
+	static assert(__traits(compiles, { bool[2] barr; ParamError err;readFormParamRec(HTTPServerRequest.init, barr, "f", true, NestedNameStyle.d, err); }));
 
 	enum Test: string {	a = "AAA", b="BBB" }
-	static assert(__traits(compiles, { Test barr; ParamError err;readFormParamRec(null, barr, "f", true, NestedNameStyle.d, err); }));
+	static assert(__traits(compiles, { Test barr; ParamError err;readFormParamRec(HTTPServerRequest.init, barr, "f", true, NestedNameStyle.d, err); }));
 }
 
 private string getArrayFieldName(T)(NestedNameStyle style, string prefix, T index)
diff --git a/web/vibe/web/i18n.d b/web/vibe/web/i18n.d
index f3403ef28..6227b7dc5 100644
--- a/web/vibe/web/i18n.d
+++ b/web/vibe/web/i18n.d
@@ -341,7 +341,7 @@ package string determineLanguage(alias METHOD)(scope HTTPServerRequest req)
 
 unittest { // make sure that the custom determineLanguage is called
 	static struct CTX {
-		static string determineLanguage(Object a) { return "test"; }
+		static string determineLanguage(HTTPServerRequest a) { return "test"; }
 	}
 	@translationContext!CTX
 	static class Test {
@@ -350,7 +350,7 @@ unittest { // make sure that the custom determineLanguage is called
 		}
 	}
 	auto test = new Test;
-	assert(determineLanguage!(test.test)(null) == "test");
+	assert(determineLanguage!(test.test)(HTTPServerRequest.init) == "test");
 }
 
 unittest { // issue #1955
diff --git a/web/vibe/web/web.d b/web/vibe/web/web.d
index 9bd00cfe3..7503f7148 100644
--- a/web/vibe/web/web.d
+++ b/web/vibe/web/web.d
@@ -891,7 +891,7 @@ private struct RequestContext {
 
 private RequestContext getRequestContext()
 @trusted nothrow {
-	assert(s_requestContext.req !is null, "Request context used outside of a web interface request!");
+	assert(s_requestContext.req !is HTTPServerRequest.init, "Request context used outside of a web interface request!");
 	return s_requestContext;
 }