Fix shader function calls being assignable

1 files changed, 6 insertions, 0 deletions

diff --git a/servers/visual/shader_language.cpp b/servers/visual/shader_language.cpp
index 3e0a1a6f45..7146814cbe 100644
--- a/servers/visual/shader_language.cpp
+++ b/servers/visual/shader_language.cpp
@@ -1041,6 +1041,12 @@ bool ShaderLanguage::_validate_operator(OperatorNode *p_op, DataType *r_ret_type
 			}
 		} break;
 		case OP_ASSIGN: {
+
+			if (p_op->arguments[0]->type != Node::TYPE_MEMBER && p_op->arguments[0]->type != Node::TYPE_VARIABLE) {
+				valid = false;
+				break;
+			}
+
 			DataType na = p_op->arguments[0]->get_datatype();
 			DataType nb = p_op->arguments[1]->get_datatype();
 			valid = na == nb;