diff --git a/Cesium.CodeGen/Ir/Expressions/IdentifierExpression.cs b/Cesium.CodeGen/Ir/Expressions/IdentifierExpression.cs
index 2ee83078..0a85a8fb 100644
--- a/Cesium.CodeGen/Ir/Expressions/IdentifierExpression.cs
+++ b/Cesium.CodeGen/Ir/Expressions/IdentifierExpression.cs
@@ -53,12 +53,6 @@ public IValue Resolve(IDeclarationScope scope)
         if (var is not null && par is not null)
             throw new CompilationException($"Variable {Identifier} is both available as a local and as a function parameter.");
 
-        if (var is not null && fun is not null)
-            throw new CompilationException($"Variable {Identifier} is both available as a local and as a function name.");
-
-        if (fun is not null && par is not null)
-            throw new CompilationException($"Variable {Identifier} is both available as a function name and as a function parameter.");
-
         if (var is not null)
         {
             if (var.StorageClass == Declarations.StorageClass.Auto)
diff --git a/Cesium.IntegrationTests/functions.c b/Cesium.IntegrationTests/functions.c
index f4ca4381..e9b17c7e 100644
--- a/Cesium.IntegrationTests/functions.c
+++ b/Cesium.IntegrationTests/functions.c
@@ -1,6 +1,22 @@
 void forward_declaration_void_1();
 void forward_declaration_void_2(void);
 
+void test(void)
+{
+}
+
+int function_with_parameter(int test)
+{
+    int y = test + 10;
+    return y;
+}
+
+int function_with_variable(int y)
+{
+    int test = y + 10;
+    return test;
+}
+
 void declaration_void(void)
 {
 }
@@ -10,6 +26,8 @@ int foo()
     declaration_void();
     forward_declaration_void_1();
     forward_declaration_void_2();
+    if (function_with_parameter(10) != 20) return -1;
+    if (function_with_variable(15) != 25) return -1;
     return 42;
 }