diff --git a/lib/Differentiator/DiffPlanner.cpp b/lib/Differentiator/DiffPlanner.cpp
index 943b1f4e1..28485a413 100644
--- a/lib/Differentiator/DiffPlanner.cpp
+++ b/lib/Differentiator/DiffPlanner.cpp
@@ -633,9 +633,6 @@ namespace clad {
   }
 
   bool DiffRequest::shouldHaveAdjoint(const VarDecl* VD) const {
-    if (VD->getType().isConstQualified())
-      return false;
-
     if (!EnableVariedAnalysis)
       return true;
 
diff --git a/test/Gradient/Assignments.C b/test/Gradient/Assignments.C
index 023ac8230..3e9ed226b 100644
--- a/test/Gradient/Assignments.C
+++ b/test/Gradient/Assignments.C
@@ -826,6 +826,7 @@ double constVal(double y, const double x) {
 }
 
 //CHECK: void constVal_grad_0(double y, const double x, double *_d_y) {
+//CHECK-NEXT:    double _d_z = 0.;
 //CHECK-NEXT:    const double z = y;
 //CHECK-NEXT:    double _t0 = y;
 //CHECK-NEXT:    y *= z;
@@ -835,7 +836,9 @@ double constVal(double y, const double x) {
 //CHECK-NEXT:        double _r_d0 = *_d_y;
 //CHECK-NEXT:        *_d_y = 0.;
 //CHECK-NEXT:        *_d_y += _r_d0 * z;
+//CHECK-NEXT:        _d_z += y * _r_d0;
 //CHECK-NEXT:    }
+//CHECK-NEXT:    *_d_y += _d_z;
 //CHECK-NEXT:}
 
 double constValInput(const double x) {
@@ -916,7 +919,7 @@ int main() {
   auto const_test = clad::gradient(constVal, "y");
   double const_test_result = 0;
   const_test.execute(3, 4, &const_test_result);
-  printf("%.2f\n", const_test_result); // CHECK-EXEC: 12.00
+  printf("%.2f\n", const_test_result); // CHECK-EXEC: 24.00
 
   auto const_test_input = clad::gradient(constValInput);
   double const_test_input_result = 0;