diff --git a/src/parser.cpp b/src/parser.cpp
index 09b96dd..bd1fca3 100644
--- a/src/parser.cpp
+++ b/src/parser.cpp
@@ -617,6 +617,7 @@ namespace Solstice {
                             code.push_back(inputCodeBlock);
                             break;
                         }
+                        exists(children[0]);
                         std::string fnToCall = children[0].outputId;
 
                         break;
@@ -1179,6 +1180,7 @@ namespace Solstice {
                             node.nodeType = SolNodeType::Expression;
                             rootNode.addNode(node);
                         }
+                        break;
                     }
                     case SolNodeType::FunctionDef: {
                         SolFunction fn;
diff --git a/tests/function.sols b/tests/function.sols
new file mode 100644
index 0000000..66f19d9
--- /dev/null
+++ b/tests/function.sols
@@ -0,0 +1,4 @@
+def add(int a, int b) {
+    return a + b
+}
+add(1, 2)