diff --git a/src/map/IMG/rgnfile.cpp b/src/map/IMG/rgnfile.cpp
index ffd48692..99d080e7 100644
--- a/src/map/IMG/rgnfile.cpp
+++ b/src/map/IMG/rgnfile.cpp
@@ -112,7 +112,7 @@ bool RGNFile::readClassFields(Handle &hdl, SegmentType segmentType,
 			point->label = QString::number(d2m(depth, units));
 	}
 
-	if (point && Style::isIsolatedDangerPoint(point->type) && rs) {
+	if (point && Style::isObstructionPoint(point->type) && rs) {
 		quint32 val, rb = rs;
 		quint32 units = (flags >> 3) & 3;
 
diff --git a/src/map/IMG/style.h b/src/map/IMG/style.h
index fb78144f..3cda12e3 100644
--- a/src/map/IMG/style.h
+++ b/src/map/IMG/style.h
@@ -121,8 +121,8 @@ public:
 	  {return (type == 0x10613);}
 	static bool isDepthPoint(quint32 type)
 	  {return (type == 0x10301);}
-	static bool isIsolatedDangerPoint(quint32 type)
-	  {return (type == 0x10400);}
+	static bool isObstructionPoint(quint32 type)
+	  {return (type >= 0x10400 && type <= 0x10401);}
 	static bool isMarinePoint(quint32 type)
 	  {return type >= 0x10100 && type < 0x10a00;}