diff --git a/src/p_spec.c b/src/p_spec.c
index 5b8e25050..78a0d345f 100644
--- a/src/p_spec.c
+++ b/src/p_spec.c
@@ -7075,7 +7075,7 @@ void P_SpawnSpecials(INT32 fromnetsave)
 				break;
 
 			case 252: // Shatter block (breaks when touched)
-				ffloorflags = FF_EXISTS|FF_RENDERALL|FF_BUSTUP|FF_SHATTER;
+				ffloorflags = FF_EXISTS|FF_SOLID|FF_RENDERALL|FF_BUSTUP|FF_SHATTER;
 				if (lines[i].flags & ML_NOCLIMB)
 					ffloorflags |= FF_SOLID|FF_SHATTERBOTTOM;
 
@@ -7083,7 +7083,7 @@ void P_SpawnSpecials(INT32 fromnetsave)
 				break;
 
 			case 253: // Translucent shatter block (see 76)
-				P_AddFakeFloorsByLine(i, FF_EXISTS|FF_RENDERALL|FF_BUSTUP|FF_SHATTER|FF_TRANSLUCENT, secthinkers);
+				P_AddFakeFloorsByLine(i, FF_EXISTS|FF_SOLID|FF_RENDERALL|FF_BUSTUP|FF_SHATTER|FF_TRANSLUCENT, secthinkers);
 				break;
 
 			case 254: // Bustable block