diff --git a/src/core/errors.go b/src/core/errors.go
index fa31fb9..e8a4a98 100644
--- a/src/core/errors.go
+++ b/src/core/errors.go
@@ -29,6 +29,10 @@ type DefinitionCountMismatch struct {
 
 func (err *DefinitionCountMismatch) Error() string {
 	if err.Count > err.ExpectedCount {
+		if err.ExpectedCount == 0 {
+			return fmt.Sprintf("'%s' does not have a return value", err.Function)
+		}
+
 		return fmt.Sprintf("Too many variables for the return value of '%s'", err.Function)
 	}
 
diff --git a/src/core/errors_test.go b/src/core/errors_test.go
index 31b2bf9..d4fb522 100644
--- a/src/core/errors_test.go
+++ b/src/core/errors_test.go
@@ -17,6 +17,7 @@ var errs = []struct {
 }{
 	{"DefinitionCountMismatch.q", &core.DefinitionCountMismatch{Function: "main.swap", Count: 1, ExpectedCount: 2}},
 	{"DefinitionCountMismatch2.q", &core.DefinitionCountMismatch{Function: "main.swap", Count: 3, ExpectedCount: 2}},
+	{"DefinitionCountMismatch3.q", &core.DefinitionCountMismatch{Function: "main.nothing", Count: 1, ExpectedCount: 0}},
 	{"ErrorNotChecked.q", &core.ErrorNotChecked{Identifier: "value"}},
 	{"InvalidCallExpression.q", core.InvalidCallExpression},
 	{"InvalidCondition.q", core.InvalidCondition},
diff --git a/src/core/testdata/DefinitionCountMismatch3.q b/src/core/testdata/DefinitionCountMismatch3.q
new file mode 100644
index 0000000..f8a80e9
--- /dev/null
+++ b/src/core/testdata/DefinitionCountMismatch3.q
@@ -0,0 +1,5 @@
+main() {
+	a := nothing()
+}
+
+nothing() {}
\ No newline at end of file