diff --git a/applications/solvers/combustion/reactingFoam/rhoReactingFoam/createFields.H b/applications/solvers/combustion/reactingFoam/rhoReactingFoam/createFields.H
index e56035f24a703420b00d2e539ee89f3a7af56090..3ad7cb746412436db03a7d75885c8fd559157828 100644
--- a/applications/solvers/combustion/reactingFoam/rhoReactingFoam/createFields.H
+++ b/applications/solvers/combustion/reactingFoam/rhoReactingFoam/createFields.H
@@ -113,3 +113,26 @@ volScalarField Qdot
 );
 
 #include "createMRF.H"
+
+dimensionedScalar rhoMax
+(
+    dimensionedScalar::lookupOrDefault
+    (
+        "rhoMax",
+        pimple.dict(),
+        dimDensity,
+        GREAT
+    )
+);
+
+dimensionedScalar rhoMin
+(
+    dimensionedScalar::lookupOrDefault
+    (
+        "rhoMin",
+        pimple.dict(),
+        dimDensity,
+        0
+    )
+);
+