diff --git a/internal/shader/stmt.go b/internal/shader/stmt.go
index 86cd576ac..450adf596 100644
--- a/internal/shader/stmt.go
+++ b/internal/shader/stmt.go
@@ -121,7 +121,7 @@ func (cs *compileState) parseStmt(block *block, fname string, stmt ast.Stmt, inP
 					}
 				case shaderir.Float:
 					if rhs[0].Const != nil &&
-						rhs[0].ConstType != shaderir.ConstTypeInt &&
+						(rts[0].Main == shaderir.None || rts[0].Main == shaderir.Float) &&
 						gconstant.ToFloat(rhs[0].Const).Kind() != gconstant.Unknown {
 						rhs[0].Const = gconstant.ToFloat(rhs[0].Const)
 						rhs[0].ConstType = shaderir.ConstTypeFloat
@@ -133,7 +133,7 @@ func (cs *compileState) parseStmt(block *block, fname string, stmt ast.Stmt, inP
 					if (op == shaderir.MatrixMul || op == shaderir.Div) &&
 						(rts[0].Main == shaderir.Float ||
 							(rhs[0].Const != nil &&
-								rhs[0].ConstType != shaderir.ConstTypeInt &&
+								(rts[0].Main == shaderir.None || rts[0].Main == shaderir.Float) &&
 								gconstant.ToFloat(rhs[0].Const).Kind() != gconstant.Unknown)) {
 						if rhs[0].Const != nil {
 							rhs[0].Const = gconstant.ToFloat(rhs[0].Const)
@@ -146,7 +146,7 @@ func (cs *compileState) parseStmt(block *block, fname string, stmt ast.Stmt, inP
 					} else if (op == shaderir.MatrixMul || op == shaderir.ComponentWiseMul || lts[0].IsFloatVector()) &&
 						(rts[0].Main == shaderir.Float ||
 							(rhs[0].Const != nil &&
-								rhs[0].ConstType != shaderir.ConstTypeInt &&
+								(rts[0].Main == shaderir.None || rts[0].Main == shaderir.Float) &&
 								gconstant.ToFloat(rhs[0].Const).Kind() != gconstant.Unknown)) {
 						if rhs[0].Const != nil {
 							rhs[0].Const = gconstant.ToFloat(rhs[0].Const)