diff --git a/Dfe.PrepareConversions/Dfe.PrepareConversions/Pages/NewProject/Summary.cshtml.cs b/Dfe.PrepareConversions/Dfe.PrepareConversions/Pages/NewProject/Summary.cshtml.cs
index a569d5d7a..1859bc5ee 100644
--- a/Dfe.PrepareConversions/Dfe.PrepareConversions/Pages/NewProject/Summary.cshtml.cs
+++ b/Dfe.PrepareConversions/Dfe.PrepareConversions/Pages/NewProject/Summary.cshtml.cs
@@ -78,7 +78,7 @@ public async Task<IActionResult> OnPostAsync(string urn, string ukprn, string ha
          await _academyConversionProjectRepository.CreateFormAMatProject(CreateProjectMapper.MapFormAMatToDto(establishment, trust, hasSchoolApplied, hasPreferredTrust));
       }
 
-      bool _isFormAMAT = isFormAMat.ToLower().Equals("yes");
+      bool _isFormAMAT = !string.IsNullOrEmpty(isFormAMat) && isFormAMat.ToLower().Equals("yes");
 
       if (_isFormAMAT && proposedTrustName == null)
       {