diff --git a/CONTRIBUTORS.md b/CONTRIBUTORS.md
index 27b4447..c81a200 100644
--- a/CONTRIBUTORS.md
+++ b/CONTRIBUTORS.md
@@ -5,3 +5,4 @@
 | james-bruten-mo | James Bruten | Met Office | 2025-12-09 |
 | andrewcoughtrie | Andrew Coughtrie | Met Office | 2026-02-10 |
 | jennyhickson | Jenny Hickson | Met Office | 2026-03-02 |
+| Pierre-siddall | Pierre Siddall | Met Office | 2026-03-13 |
diff --git a/src/control/core/diagnostics/asad_chem_flux_diags.F90 b/src/control/core/diagnostics/asad_chem_flux_diags.F90
index 4f3beb0..7208558 100644
--- a/src/control/core/diagnostics/asad_chem_flux_diags.F90
+++ b/src/control/core/diagnostics/asad_chem_flux_diags.F90
@@ -1412,7 +1412,7 @@ FUNCTION cd_findreaction( numprods, reactants, products,                       &
                                 zhook_handle)
         RETURN
       END IF
-      CYCLE
+      CYCLE search_reactants
     END IF
 
     ! Otherwise check the names of the products