diff --git a/src/map/if/acd/acd66.hpp b/src/map/if/acd/acd66.hpp
index ea7bfe951..109512986 100644
--- a/src/map/if/acd/acd66.hpp
+++ b/src/map/if/acd/acd66.hpp
@@ -555,6 +555,7 @@ private:
       }
     } while ( combinations_next( free_set_size, 0, pComb, pInvPerm, tt ) );
 
+    best_multiplicity = UINT32_MAX;
     return false;
   }
 
@@ -602,6 +603,8 @@ private:
           return true;
         }
       }
+
+      best_multiplicity = UINT32_MAX;
       return false;
     }
 
@@ -665,6 +668,7 @@ private:
       }
     } while ( combinations_next( free_set_size, offset, pComb, pInvPerm, tt ) );
 
+    best_multiplicity = UINT32_MAX;
     return false;
   }
 
diff --git a/src/map/if/acd/acdXX.hpp b/src/map/if/acd/acdXX.hpp
index 8dabc725e..e43404ea9 100644
--- a/src/map/if/acd/acdXX.hpp
+++ b/src/map/if/acd/acdXX.hpp
@@ -571,6 +571,7 @@ private:
       }
     } while ( combinations_next( free_set_size, 0, pComb, pInvPerm, tt ) );
 
+    best_multiplicity = UINT32_MAX;
     return false;
   }
 
@@ -620,6 +621,8 @@ private:
           return true;
         }
       }
+
+      best_multiplicity = UINT32_MAX;
       return false;
     }
 
@@ -683,6 +686,7 @@ private:
       }
     } while ( combinations_next( free_set_size, offset, pComb, pInvPerm, tt ) );
 
+    best_multiplicity = UINT32_MAX;
     return false;
   }