diff --git a/BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/api/marker/ExtrudeMarkerImpl.java b/BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/api/marker/ExtrudeMarkerImpl.java
index 78cecf69..61707d30 100644
--- a/BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/api/marker/ExtrudeMarkerImpl.java
+++ b/BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/api/marker/ExtrudeMarkerImpl.java
@@ -151,7 +151,7 @@ public void load(BlueMapAPI api, ConfigurationNode markerNode, boolean overwrite
 		
 		this.shape = readShape(markerNode.node("shape"));
 		this.shapeMinY = markerNode.node("shapeMinY").getFloat(0);
-		this.shapeMaxY = markerNode.node("shapeMaxY").getFloat(255);
+		this.shapeMaxY = (float) markerNode.node("shapeMaxY").getDouble(255);
 		this.depthTest = markerNode.node("depthTest").getBoolean(true);
 		this.lineWidth = markerNode.node("lineWidth").getInt(2);
 		this.lineColor = readColor(markerNode.node("lineColor"));
@@ -208,7 +208,7 @@ private static Color readColor(ConfigurationNode node) throws MarkerFileFormatEx
 		
 		if (nr.virtual() || ng.virtual() || nb.virtual()) throw new MarkerFileFormatException("Failed to read color: Node r,g or b is not set!");
 		
-		float alpha = na.getFloat(1);
+		float alpha = (float) na.getDouble(1);
 		if (alpha < 0 || alpha > 1) throw new MarkerFileFormatException("Failed to read color: alpha value out of range (0-1)!");
 		
 		try {
diff --git a/BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/api/marker/LineMarkerImpl.java b/BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/api/marker/LineMarkerImpl.java
index 1cb2228d..528c5d27 100644
--- a/BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/api/marker/LineMarkerImpl.java
+++ b/BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/api/marker/LineMarkerImpl.java
@@ -173,7 +173,7 @@ private static Color readColor(ConfigurationNode node) throws MarkerFileFormatEx
 		
 		if (nr.virtual() || ng.virtual() || nb.virtual()) throw new MarkerFileFormatException("Failed to read color: Node r,g or b is not set!");
 		
-		float alpha = na.getFloat(1);
+		float alpha = (float) na.getDouble(1);
 		if (alpha < 0 || alpha > 1) throw new MarkerFileFormatException("Failed to read color: alpha value out of range (0-1)!");
 		
 		try {
diff --git a/BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/api/marker/ShapeMarkerImpl.java b/BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/api/marker/ShapeMarkerImpl.java
index 8f32374a..84c64808 100644
--- a/BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/api/marker/ShapeMarkerImpl.java
+++ b/BlueMapCommon/src/main/java/de/bluecolored/bluemap/common/api/marker/ShapeMarkerImpl.java
@@ -142,7 +142,7 @@ public void load(BlueMapAPI api, ConfigurationNode markerNode, boolean overwrite
 		this.hasUnsavedChanges = false;
 		
 		this.shape = readShape(markerNode.node("shape"));
-		this.shapeY = markerNode.node("shapeY").getFloat(markerNode.node("height").getFloat(64)); // fallback to deprecated "height"
+		this.shapeY = (float) markerNode.node("shapeY").getDouble(markerNode.node("height").getDouble(64)); // fallback to deprecated "height"
 		this.depthTest = markerNode.node("depthTest").getBoolean(true);
 		this.lineWidth = markerNode.node("lineWidth").getInt(2);
 
@@ -202,7 +202,7 @@ private static Color readColor(ConfigurationNode node) throws MarkerFileFormatEx
 		
 		if (nr.virtual() || ng.virtual() || nb.virtual()) throw new MarkerFileFormatException("Failed to read color: Node r,g or b is not set!");
 		
-		float alpha = na.getFloat(1);
+		float alpha = (float) na.getDouble(1);
 		if (alpha < 0 || alpha > 1) throw new MarkerFileFormatException("Failed to read color: alpha value out of range (0-1)!");
 		
 		try {