diff --git a/src/decallib.cpp b/src/decallib.cpp
index 5d24e44d51..7bfdfc3e73 100644
--- a/src/decallib.cpp
+++ b/src/decallib.cpp
@@ -1232,6 +1232,7 @@ DThinker *FDecalStretcherAnim::CreateThinker (DBaseDecal *actor, side_t *wall) c
 	}
 	else
 	{
+		thinker->GoalX = 0;
 		thinker->bStretchX = false;
 	}
 	if (GoalY >= 0)
@@ -1241,6 +1242,7 @@ DThinker *FDecalStretcherAnim::CreateThinker (DBaseDecal *actor, side_t *wall) c
 	}
 	else
 	{
+		thinker->GoalY = 0;
 		thinker->bStretchY = false;
 	}
 	thinker->bStarted = false;
diff --git a/src/rapidjson/writer.h b/src/rapidjson/writer.h
index a288f07ffe..200abadaeb 100644
--- a/src/rapidjson/writer.h
+++ b/src/rapidjson/writer.h
@@ -527,7 +527,9 @@ inline bool Writer<StringBuffer>::WriteDouble(double d) {
 		if (!(kWriteDefaultFlags & kWriteNanAndInfFlag))
 		{
 			// At least ensure that the output does not get broken.
-			PutReserve(*os_, 1);
+			PutReserve(*os_, 3);
+			PutUnsafe(*os_, '0');
+			PutUnsafe(*os_, '.');
 			PutUnsafe(*os_, '0');
 			return false;
 		}