diff --git a/Source/Core/Map/MapSet.cs b/Source/Core/Map/MapSet.cs
index 502d17229d072b539dd2e51f75b008ab75f3ff40..2324dea69a820d421016b45dba071ce330d4a2a8 100755
--- a/Source/Core/Map/MapSet.cs
+++ b/Source/Core/Map/MapSet.cs
@@ -3761,8 +3761,12 @@ namespace CodeImp.DoomBuilder.Map
 		/// <summary>This snaps all vertices to the map format accuracy. Call this to ensure the vertices are at valid coordinates.</summary>
 		public void SnapAllToAccuracy(bool usepreciseposition)
 		{
-			foreach(Vertex v in vertices) v.SnapToAccuracy(usepreciseposition);
-			foreach(Thing t in things) t.SnapToAccuracy(usepreciseposition);
+			// SRB2 doesn't support decimals for X/Y position, but does still require VertexDecimals for other float fields/values...
+			if (General.Map.Config.EngineName == "srb2")
+				usepreciseposition = false;
+
+			foreach (Vertex v in vertices) v.SnapToAccuracy(usepreciseposition);
+			foreach (Thing t in things) t.SnapToAccuracy(usepreciseposition);
 		}
 
 		/// <summary>This returns the next unused tag number.</summary>
diff --git a/Source/Core/Map/Thing.cs b/Source/Core/Map/Thing.cs
index f78f6f8a9a259537ca356ba99362b1bc1e3047b0..c29922c56c621c1ab9f3536d1c354efc41946f5d 100755
--- a/Source/Core/Map/Thing.cs
+++ b/Source/Core/Map/Thing.cs
@@ -726,7 +726,7 @@ namespace CodeImp.DoomBuilder.Map
 		// This snaps the vertex to the map format accuracy
 		public void SnapToAccuracy()
 		{
-			SnapToAccuracy(true);
+			SnapToAccuracy(!(General.Map.Config.EngineName == "srb2"));
 		}
 
 		// This snaps the vertex to the map format accuracy
diff --git a/Source/Core/Map/Vertex.cs b/Source/Core/Map/Vertex.cs
index 145b0f2d0be0f784531ddd4456c495a17c485b0a..3e3042d704a36ae7d1750a495fe72ef29e58443d 100755
--- a/Source/Core/Map/Vertex.cs
+++ b/Source/Core/Map/Vertex.cs
@@ -283,7 +283,7 @@ namespace CodeImp.DoomBuilder.Map
 		// This snaps the vertex to the map format accuracy
 		public void SnapToAccuracy()
 		{
-			SnapToAccuracy(true);
+			SnapToAccuracy(!(General.Map.Config.EngineName == "srb2"));
 		}
 
 		// This snaps the vertex to the map format accuracy