diff --git a/common/compiler/solidity_test.go b/common/compiler/solidity_test.go
index 795b38d0ca..bfd3fb242a 100644
--- a/common/compiler/solidity_test.go
+++ b/common/compiler/solidity_test.go
@@ -191,7 +191,7 @@ func TestSolcCompilerError(t *testing.T) {
 	if err == nil {
 		t.Fatal("Expected an error, got nil.")
 	} else if !strings.Contains(err.Error(), "solc") {
-		t.Fatal("Expected error to come directly from compiler, got err from elsewhere: %v", err)
+		t.Fatalf("Expected error to come directly from compiler, got err from elsewhere: %v", err)
 	}
 }