diff --git a/backend/core/templates/signup.html b/backend/core/templates/signup.html
index b3befbd..5deb0d4 100644
--- a/backend/core/templates/signup.html
+++ b/backend/core/templates/signup.html
@@ -708,31 +708,31 @@
                     <hr>
                     <div class="pb-3">
                         <div class="form-check">
-                            <input class="form-check-input" type="checkbox" name="it_infrastructure" id="it-on-prem" value="on-premises">
+                            <input class="form-check-input" type="radio" name="it_infrastructure" id="it-on-prem" value="on-premises">
                             <label class="form-check-label" for="it-on-prem">
                                 <i class="fa-solid fa-server"></i> On-premises systems
                             </label>
                         </div>
                         <div class="form-check">
-                            <input class="form-check-input" type="checkbox" name="it_infrastructure" id="it-cloud" value="cloud-based">
+                            <input class="form-check-input" type="radio" name="it_infrastructure" id="it-cloud" value="cloud-based">
                             <label class="form-check-label" for="it-cloud">
                                 <i class="fa-solid fa-cloud"></i> Cloud-based systems
                             </label>
                         </div>
                         <div class="form-check">
-                            <input class="form-check-input" type="checkbox" name="it_infrastructure" id="it-hybrid" value="hybrid">
+                            <input class="form-check-input" type="radio" name="it_infrastructure" id="it-hybrid" value="hybrid">
                             <label class="form-check-label" for="it-hybrid">
                                 <i class="fa-solid fa-diagram-project"></i> Hybrid infrastructure
                             </label>
                         </div>
                         <div class="form-check">
-                            <input class="form-check-input" type="checkbox" name="it_infrastructure" id="it-legacy" value="legacy">
+                            <input class="form-check-input" type="radio" name="it_infrastructure" id="it-legacy" value="legacy">
                             <label class="form-check-label" for="it-legacy">
                                 <i class="fa-solid fa-computer"></i> Legacy systems
                             </label>
                         </div>
                         <div class="form-check">
-                            <input class="form-check-input" type="checkbox" name="it_infrastructure" id="it-modern" value="modern">
+                            <input class="form-check-input" type="radio" name="it_infrastructure" id="it-modern" value="modern">
                             <label class="form-check-label" for="it-modern">
                                 <i class="fa-solid fa-microchip"></i> Modern architecture
                             </label>