diff --git a/code/AssetLib/MDL/MDLLoader.cpp b/code/AssetLib/MDL/MDLLoader.cpp
index 6f9e0f200..30da65866 100644
--- a/code/AssetLib/MDL/MDLLoader.cpp
+++ b/code/AssetLib/MDL/MDLLoader.cpp
@@ -420,7 +420,7 @@ void MDLImporter::InternReadFile_Quake1() {
                 }
                 // go to the end of the skin section / the beginning of the next skin
                 bool overflow = false;
-                if (pcHeader->skinwidth != 0 || pcHeader->skinheight != 0) {
+                if (pcHeader->skinwidth != 0 && pcHeader->skinheight != 0) {
                     if ((pcHeader->skinheight > INT_MAX / pcHeader->skinwidth) || (pcHeader->skinwidth > INT_MAX / pcHeader->skinheight)){
                         overflow = true;
                     }