diff --git a/src/game/prop.c b/src/game/prop.c
index ae18152d0..679247a10 100644
--- a/src/game/prop.c
+++ b/src/game/prop.c
@@ -1070,7 +1070,9 @@ bool shotTestLos(struct coord *gunpos2d, struct coord *gundir2d, struct coord *g
 			}
 			if (shotdata.hits[0].prop) {
 				// ignore some glass parts and shields
-				if (shotdata.hits[0].slowsbullet && shotdata.hits[0].hitthing.texturenum != 10000) {
+				if (shotdata.hits[0].slowsbullet && shotdata.hits[0].hitthing.texturenum != 10000 &&
+				    g_Textures[shotdata.hits[0].hitthing.texturenum].surfacetype != SURFACETYPE_GLASS &&
+				    g_Textures[shotdata.hits[0].hitthing.texturenum].surfacetype != SURFACETYPE_GLASSXLU) {
 					return false;
 				}
 			}