diff --git a/app/android/jni/RTABMapApp.cpp b/app/android/jni/RTABMapApp.cpp
index 2c1118dd..5070c7fd 100644
--- a/app/android/jni/RTABMapApp.cpp
+++ b/app/android/jni/RTABMapApp.cpp
@@ -1578,7 +1578,7 @@ bool RTABMapApp::exportMesh(
 
 						if(mesh->polygons.size())
 						{
-							if(optimizedDecimationFactor > 0.0f)
+							if(textureSize > 0 && optimizedDecimationFactor > 0.0f)
 							{
 	#ifndef DISABLE_VTK
 								unsigned int count = mesh->polygons.size();
diff --git a/app/android/res/values/strings.xml b/app/android/res/values/strings.xml
index 071620cc..eafae3b1 100644
--- a/app/android/res/values/strings.xml
+++ b/app/android/res/values/strings.xml
@@ -484,7 +484,7 @@
     <string name="pref_title_opt_depth">Reconstruction Depth</string>
     <string name="pref_summary_opt_depth">Lowering this parameter decreases reconstruction time, but geometry precision is lower.</string>
     <string name="pref_title_opt_decimation_factor">Mesh Decimation Factor</string>
-    <string name="pref_summary_opt_decimation_factor">Reduce the number of the output polygons on plane areas by this factor. This also reduces texture projection time.</string>
+    <string name="pref_summary_opt_decimation_factor">Reduce the number of the output polygons on plane areas by this factor. Only used when exporting with texture. This also reduces texture projection time.</string>
     <string name="pref_title_opt_color_radius">Color Radius</string>
     <string name="pref_summary_opt_color_radius">Radius used to transfer nearest color from the point cloud to reconstructed mesh.</string>
     <string name="pref_title_opt_clean_white">Clean Mesh</string>