diff --git a/applications/solvers/stressAnalysis/solidDisplacementFoam/Make/options b/applications/solvers/stressAnalysis/solidDisplacementFoam/Make/options
index b2de349d96..d3ab5a843b 100644
--- a/applications/solvers/stressAnalysis/solidDisplacementFoam/Make/options
+++ b/applications/solvers/stressAnalysis/solidDisplacementFoam/Make/options
@@ -1,6 +1,7 @@
 EXE_INC = \
     -I. \
     -IderivedFvPatchFields/tractionDisplacement \
+    -IderivedFvPatchFields/hydrostaticDisplacement \
     -I$(LIB_SRC)/finiteVolume/lnInclude \
     -I$(LIB_SRC)/meshTools/lnInclude