diff --git a/core/src/net/sf/openrocket/file/rocksim/importt/RockSimAppearanceBuilder.java b/core/src/net/sf/openrocket/file/rocksim/importt/RockSimAppearanceBuilder.java
index 9f3463f80..4a05f6ae3 100644
--- a/core/src/net/sf/openrocket/file/rocksim/importt/RockSimAppearanceBuilder.java
+++ b/core/src/net/sf/openrocket/file/rocksim/importt/RockSimAppearanceBuilder.java
@@ -48,7 +48,11 @@ public class RockSimAppearanceBuilder extends AppearanceBuilder {
 	}
 	
 	private void parseTexture(String s) throws FileNotFoundException, MalformedURLException {
-		final String[] parts = s.trim().split("\\|");
+		s = s.trim();
+		if (s.isEmpty()) {
+			return;
+		}
+		final String[] parts = s.split("\\|");
 		
 		boolean interpolate = false;
 		boolean flipr = false;