diff --git a/source/blender/blenkernel/intern/DerivedMesh.c b/source/blender/blenkernel/intern/DerivedMesh.c
index eb2975be0c0..6cf934fa165 100644
--- a/source/blender/blenkernel/intern/DerivedMesh.c
+++ b/source/blender/blenkernel/intern/DerivedMesh.c
@@ -2158,6 +2158,7 @@ static void mesh_calc_modifiers(Object *ob, float (*inputVertexCos)[3],
 
 			if((md->mode & required_mode) != required_mode) continue;
 			if(mti->isDisabled && mti->isDisabled(md)) continue;
+			if(useDeform < 0 && mti->dependsOnTime && mti->dependsOnTime(md)) continue;
 
 			if(mti->type == eModifierTypeType_OnlyDeform) {
 				if(!deformedVerts)
@@ -2228,6 +2229,7 @@ static void mesh_calc_modifiers(Object *ob, float (*inputVertexCos)[3],
 		}
 		if(mti->isDisabled && mti->isDisabled(md)) continue;
 		if(needMapping && !modifier_supportsMapping(md)) continue;
+		if(useDeform < 0 && mti->dependsOnTime && mti->dependsOnTime(md)) continue;
 
 		/* add an orco layer if needed by this modifier */
 		if(dm && mti->requiredDataMask) {
diff --git a/source/gameengine/Converter/BL_ModifierDeformer.cpp b/source/gameengine/Converter/BL_ModifierDeformer.cpp
index 09dbe966d0b..c3131559a6f 100644
--- a/source/gameengine/Converter/BL_ModifierDeformer.cpp
+++ b/source/gameengine/Converter/BL_ModifierDeformer.cpp
@@ -97,10 +97,16 @@ bool BL_ModifierDeformer::HasCompatibleDeformer(Object *ob)
 {
 	if (!ob->modifiers.first)
 		return false;
+	// soft body cannot use mesh modifiers
+	if ((ob->gameflag & OB_SOFT_BODY) != 0)
+		return false;
 	ModifierData* md;
 	for (md = (ModifierData*)ob->modifiers.first; md; md = (ModifierData*)md->next) {
-		if (md->mode & eModifierMode_Realtime)
-			return true;
+		if (modifier_dependsOnTime(md))
+			continue;
+		if (!(md->mode & eModifierMode_Realtime))
+			continue;
+		return true;
 	}
 	return false;
 }