diff --git a/tools/unicycler/unicycler.xml b/tools/unicycler/unicycler.xml
index df074aeb41f..0f369353733 100644
--- a/tools/unicycler/unicycler.xml
+++ b/tools/unicycler/unicycler.xml
@@ -242,7 +242,7 @@ $pilon.no_pilon
             </section>
             <output name="assembly_graph" ftype="gfa1">
                 <assert_contents>
-                    <has_text text="TATCTGTTACTGAGAAGTTAATGGATGAATTGGCAC"/>
+                    <has_line_matching expression="S\t1\t[ATCG]{5386,5386}\tLN:i:5386\tdp:f:1.0"/>
                 </assert_contents>
             </output>
             <output name="assembly" ftype="fasta">
@@ -297,7 +297,7 @@ $pilon.no_pilon
             </section>
             <output name="assembly_graph" ftype="gfa1">
                 <assert_contents>
-                    <has_text text="TATCTGTTACTGAGAAGTTAATGGATGAATTGGCAC" />
+                    <has_line_matching expression="S\t1\t[ATCG]{5386,5386}\tLN:i:5386\tdp:f:1.0"/>
                 </assert_contents>
             </output>
             <output name="assembly" ftype="fasta">
@@ -344,7 +344,7 @@ $pilon.no_pilon
             </section>
             <output name="assembly_graph" ftype="gfa1">
                 <assert_contents>
-                    <has_text text="TATCTGTTACTGAGAAGTTAATGGATGAATTGGCAC" />
+                    <has_line_matching expression="S\t1\t[ATCG]{5386,5386}\tLN:i:5386\tdp:f:1.0"/>
                 </assert_contents>
             </output>
             <output name="assembly" ftype="fasta">