diff --git a/Changelog.md b/Changelog.md
index 4d132d684..b512f9eb2 100644
--- a/Changelog.md
+++ b/Changelog.md
@@ -9,6 +9,7 @@ Compiler Features:
 
 Bugfixes:
  * Inline Assembly: Fix internal error when accessing invalid constant variables.
+ * Inline Assembly: Fix internal error when accessing functions.
  * Reference Resolver: Fix internal error when accessing invalid struct members.
  * Type Checker: Fix internal errors when assigning nested tuples.
  * Inheritance: Allow public state variables to override functions with dynamic memory types in their return values.
diff --git a/libsolidity/analysis/TypeChecker.cpp b/libsolidity/analysis/TypeChecker.cpp
index 784701d22..8067580c8 100644
--- a/libsolidity/analysis/TypeChecker.cpp
+++ b/libsolidity/analysis/TypeChecker.cpp
@@ -740,6 +740,8 @@ bool TypeChecker::visit(InlineAssembly const& _inlineAssembly)
 			solAssert(!!declaration->type(), "Type of declaration required but not yet determined.");
 			if (dynamic_cast<FunctionDefinition const*>(declaration))
 			{
+				m_errorReporter.declarationError(_identifier.location, "Access to functions is not allowed in inline assembly.");
+				return size_t(-1);
 			}
 			else if (dynamic_cast<VariableDeclaration const*>(declaration))
 			{
diff --git a/test/libsolidity/syntaxTests/inlineAssembly/assignment_from_functiontype.sol b/test/libsolidity/syntaxTests/inlineAssembly/assignment_from_functiontype.sol
index ecda3e994..625502f25 100644
--- a/test/libsolidity/syntaxTests/inlineAssembly/assignment_from_functiontype.sol
+++ b/test/libsolidity/syntaxTests/inlineAssembly/assignment_from_functiontype.sol
@@ -5,3 +5,5 @@ contract C {
     }
   }
 }
+// ----
+// DeclarationError: (72-73): Access to functions is not allowed in inline assembly.
diff --git a/test/libsolidity/syntaxTests/inlineAssembly/assignment_from_functiontype2.sol b/test/libsolidity/syntaxTests/inlineAssembly/assignment_from_functiontype2.sol
new file mode 100644
index 000000000..2fc49b1db
--- /dev/null
+++ b/test/libsolidity/syntaxTests/inlineAssembly/assignment_from_functiontype2.sol
@@ -0,0 +1,10 @@
+contract C {
+    function f() public pure {}
+    constructor() public {
+        assembly {
+            let x := f
+        }
+    }
+}
+// ----
+// DeclarationError: (112-113): Access to functions is not allowed in inline assembly.