diff --git a/src/sksl/SkSLSPIRVCodeGenerator.cpp b/src/sksl/SkSLSPIRVCodeGenerator.cpp
index 3357faaa6e..a97a7ceaf9 100644
--- a/src/sksl/SkSLSPIRVCodeGenerator.cpp
+++ b/src/sksl/SkSLSPIRVCodeGenerator.cpp
@@ -2278,7 +2278,7 @@ SpvId SPIRVCodeGenerator::writeLogicalOr(const BinaryExpression& o, OutputStream
 
 SpvId SPIRVCodeGenerator::writeTernaryExpression(const TernaryExpression& t, OutputStream& out) {
     SpvId test = this->writeExpression(*t.fTest, out);
-    if (t.fIfTrue->isConstant() && t.fIfFalse->isConstant()) {
+    if (t.fIfTrue->fType.columns() == 1 && t.fIfTrue->isConstant() && t.fIfFalse->isConstant()) {
         // both true and false are constants, can just use OpSelect
         SpvId result = this->nextId();
         SpvId trueId = this->writeExpression(*t.fIfTrue, out);