diff --git a/DDCore/src/plugins/DetectorChecksum.cpp b/DDCore/src/plugins/DetectorChecksum.cpp
index c5b92efd6..0415aeb5f 100644
--- a/DDCore/src/plugins/DetectorChecksum.cpp
+++ b/DDCore/src/plugins/DetectorChecksum.cpp
@@ -623,7 +623,7 @@ const DetectorChecksum::entry_t& DetectorChecksum::handleSolid(Solid solid) cons
 #if ROOT_VERSION_CODE >= ROOT_VERSION(6,31,1)
             auto vertexIndex = facet[ivertex];
 #else
-            auto vertexIndex = facet.GetVertexIndex(ivertex)
+            auto vertexIndex = facet.GetVertexIndex(ivertex);
 #endif
             log << " vertex" << ivertex + 1 << "=\"" << nam << "_v" << vertexIndex << "\"";
           }