diff --git a/applications/solvers/cfdemSolverPisoMS/Make/options b/applications/solvers/cfdemSolverPisoMS/Make/options
index 473ab040..aa6e3aeb 100644
--- a/applications/solvers/cfdemSolverPisoMS/Make/options
+++ b/applications/solvers/cfdemSolverPisoMS/Make/options
@@ -4,7 +4,7 @@ EXE_INC = \
     -I$(LIB_SRC)/finiteVolume/lnInclude \
     -I$(LIB_SRC)/meshTools/lnInclude \
     -I$(CFDEM_SRC_DIR)/lagrangian/cfdemParticle/lnInclude \
-    -I ../cfdemSolverPiso \
+    -I../cfdemSolverPiso \
     -I$(LIB_SRC)/TurbulenceModels/turbulenceModels/lnInclude \
     -I$(LIB_SRC)/TurbulenceModels/incompressible/lnInclude \
     -I$(LIB_SRC)/transportModels \
diff --git a/applications/solvers/cfdemSolverPisoScalar/Make/options b/applications/solvers/cfdemSolverPisoScalar/Make/options
index 69598800..b5046521 100644
--- a/applications/solvers/cfdemSolverPisoScalar/Make/options
+++ b/applications/solvers/cfdemSolverPisoScalar/Make/options
@@ -7,7 +7,7 @@ EXE_INC = \
     -I$(LIB_SRC)/TurbulenceModels/incompressible/lnInclude \
     -I$(LIB_SRC)/transportModels \
     -I$(LIB_SRC)/transportModels/incompressible/singlePhaseTransportModel \
-    -I ../cfdemSolverPiso \
+    -I../cfdemSolverPiso \
     -I$(CFDEM_SRC_DIR)/lagrangian/cfdemParticle/lnInclude \
     -I$(CFDEM_SRC_DIR)/lagrangian/cfdemParticle/cfdTools \