diff --git a/src/dassert.m b/src/dassert.m
index 021e9e4d57482a0b0047a00fc8f6f0fc242e1363..d773879ba667470e9cbba702b254df5f0b194179 100644
--- a/src/dassert.m
+++ b/src/dassert.m
@@ -57,6 +57,8 @@ if isa(A,'double')
     else
         if max(abs(A(:)-B(:)))>tol
             t = 0;
+        else
+            t = 1;
         end
     end
 elseif isa(A,'cell')