diff --git a/spras/btb.py b/spras/btb.py
index 807dea90..62a4b161 100644
--- a/spras/btb.py
+++ b/spras/btb.py
@@ -161,5 +161,5 @@ def parse_output(raw_pathway_file, standardized_pathway_file):
         if not df.empty:
             df = add_rank_column(df)
             df = reinsert_direction_col_undirected(df)
-            df.columns = ['Node1', 'Node2', 'Rank', "Direction"]
+            df.columns = ['Node1', 'Node2', 'Rank', 'Direction']
         df.to_csv(standardized_pathway_file, index=False, sep='\t', header=True)
diff --git a/test/parse-outputs/expected/bowtiebuilder-pathway-expected.txt b/test/parse-outputs/expected/bowtiebuilder-pathway-expected.txt
index e7b04009..b25d172b 100644
--- a/test/parse-outputs/expected/bowtiebuilder-pathway-expected.txt
+++ b/test/parse-outputs/expected/bowtiebuilder-pathway-expected.txt
@@ -1,8 +1,3 @@
-Node1	Node2   Rank    Direction
-A	D   1   U
-A	B   1   U
-C	F   1   U
-B	C   1   U
-F	G   1   U
-G	I   1   U
-G	H   1   U
+Node1	Node2	Rank	Direction
+B	A	1	U
+D	B	1	U
diff --git a/test/parse-outputs/input/bowtiebuilder-raw-pathway.txt b/test/parse-outputs/input/bowtiebuilder-raw-pathway.txt
index 5699a112..8c09120f 100644
--- a/test/parse-outputs/input/bowtiebuilder-raw-pathway.txt
+++ b/test/parse-outputs/input/bowtiebuilder-raw-pathway.txt
@@ -1,8 +1,2 @@
-Node1	Node2
-A	D
-A	B
-C	F
-B	C
-F	G
-G	I
-G	H
+B	A
+D	B