diff --git a/cmd/effe/main.go b/cmd/effe/main.go
index 1b38708..a73ed4a 100644
--- a/cmd/effe/main.go
+++ b/cmd/effe/main.go
@@ -14,7 +14,7 @@ import (
 )
 
 const (
-	version = "0.1.0"
+	version = "0.1.2"
 )
 
 func main() {
diff --git a/strategies/blockcontext.go b/strategies/blockcontext.go
index 2dbc3e7..a49341b 100644
--- a/strategies/blockcontext.go
+++ b/strategies/blockcontext.go
@@ -31,6 +31,9 @@ func (b *BlockContext) CalculateInput(calls []ComponentCall) {
 		for _, inputField := range c.Input().List {
 			var foundSourceOfArg bool
 			for _, previous := range calls[:index] {
+				if previous.Output() == nil {
+					break
+				}
 				foundSourceOfArg = fields.FindFieldWithType(previous.Output().List, inputField.Type) != nil
 				if foundSourceOfArg {
 					break