diff --git a/tool/sdg/src/main/java/org/openscience/cdk/layout/StructureDiagramGenerator.java b/tool/sdg/src/main/java/org/openscience/cdk/layout/StructureDiagramGenerator.java
index d0ace524cb4..bb35480103b 100644
--- a/tool/sdg/src/main/java/org/openscience/cdk/layout/StructureDiagramGenerator.java
+++ b/tool/sdg/src/main/java/org/openscience/cdk/layout/StructureDiagramGenerator.java
@@ -908,7 +908,7 @@ private void generateFragmentCoordinates(IAtomContainer mol, List<IAtomContainer
 
         // calc the max widths/height of each row, we also add some
         // spacing
-        double spacing = 1.5 * bondLength;
+        double spacing = bondLength;
         for (int i = 0; i < numFragments; i++) {
             // +1 because first offset is always 0
             int col = 1 + i % nCol;