diff --git a/libsolidity/ast/Types.cpp b/libsolidity/ast/Types.cpp
index 7f5ec46a9..eb56e8ae3 100644
--- a/libsolidity/ast/Types.cpp
+++ b/libsolidity/ast/Types.cpp
@@ -2529,6 +2529,7 @@ string FunctionType::richIdentifier() const
 	case Kind::AddMod: id += "addmod"; break;
 	case Kind::MulMod: id += "mulmod"; break;
 	case Kind::ArrayPush: id += "arraypush"; break;
+	case Kind::ArrayPop: id += "arraypop"; break;
 	case Kind::ByteArrayPush: id += "bytearraypush"; break;
 	case Kind::ObjectCreation: id += "objectcreation"; break;
 	case Kind::Assert: id += "assert"; break;
@@ -2683,6 +2684,7 @@ unsigned FunctionType::sizeOnStack() const
 	case Kind::BareDelegateCall:
 	case Kind::Internal:
 	case Kind::ArrayPush:
+	case Kind::ArrayPop:
 	case Kind::ByteArrayPush:
 		size = 1;
 		break;
diff --git a/test/libsolidity/SolidityEndToEndTest.cpp b/test/libsolidity/SolidityEndToEndTest.cpp
index 91f590359..b53a92947 100644
--- a/test/libsolidity/SolidityEndToEndTest.cpp
+++ b/test/libsolidity/SolidityEndToEndTest.cpp
@@ -5397,6 +5397,40 @@ BOOST_AUTO_TEST_CASE(byte_array_pop_copy_long)
 	));
 }
 
+BOOST_AUTO_TEST_CASE(array_pop_isolated)
+{
+	char const* sourceCode = R"(
+		// This tests that the compiler knows the correct size of the function on the stack.
+		contract c {
+			uint[] data;
+			function test() public returns (uint x) {
+				x = 2;
+				data.pop;
+				x = 3;
+			}
+		}
+	)";
+	compileAndRun(sourceCode);
+	ABI_CHECK(callContractFunction("test()"), encodeArgs(3));
+}
+
+BOOST_AUTO_TEST_CASE(byte_array_pop_isolated)
+{
+	char const* sourceCode = R"(
+		// This tests that the compiler knows the correct size of the function on the stack.
+		contract c {
+			bytes data;
+			function test() public returns (uint x) {
+				x = 2;
+				data.pop;
+				x = 3;
+			}
+		}
+	)";
+	compileAndRun(sourceCode);
+	ABI_CHECK(callContractFunction("test()"), encodeArgs(3));
+}
+
 BOOST_AUTO_TEST_CASE(external_array_args)
 {
 	char const* sourceCode = R"(