diff --git a/engines/grim/emi/modelemi.cpp b/engines/grim/emi/modelemi.cpp
index d5727a7b86..cbecf8c373 100644
--- a/engines/grim/emi/modelemi.cpp
+++ b/engines/grim/emi/modelemi.cpp
@@ -88,7 +88,7 @@ EMIMeshFace::~EMIMeshFace() {
 }
 
 void EMIModel::setTex(int index) {
-	if (_mats[index])
+	if (index < _numTextures && _mats[index])
 		_mats[index]->select();
 }