diff --git a/SConscript b/SConscript
index ad6501686..df8a6779a 100755
--- a/SConscript
+++ b/SConscript
@@ -535,7 +535,7 @@ sources+=Glob("generated/ToolClasses.cpp")
 
 env.Decider('MD5')
 
-# set a defaukt target
+# set a default target
 
 t=env.Program(target=programName, source=sources)
 Default(t)
diff --git a/src/simulation/Simulation.cpp b/src/simulation/Simulation.cpp
index eed9adf4d..999a6bbaa 100644
--- a/src/simulation/Simulation.cpp
+++ b/src/simulation/Simulation.cpp
@@ -1479,11 +1479,14 @@ int Simulation::FloodParts(int x, int y, int fullc, int cm, int flags)
 			}
 			x2++;
 		}
-		// fill span
-		for (x=x1; x<=x2; x++)
+		if (FloodFillPmapCheck(x2+1, y, cm))
 		{
-			if (CreateParts(x, y, 0, 0, fullc, flags))
-				created_something = 1;
+			// fill span
+			for (x=x1; x<=x2; x++)
+			{
+				if (CreateParts(x, y, 0, 0, fullc, flags))
+					created_something = 1;
+			}
 		}
 
 		if (c?y>=CELL+dy:y>=dy)