diff --git a/src/backend/optimizer/path/allpaths.c b/src/backend/optimizer/path/allpaths.c
index c7fcb80..6201a97 100644
--- a/src/backend/optimizer/path/allpaths.c
+++ b/src/backend/optimizer/path/allpaths.c
@@ -392,7 +392,7 @@ set_plain_rel_pathlist(PlannerInfo *root, RelOptInfo *rel, RangeTblEntry *rte)
 	create_tidscan_paths(root, rel);
 
 	/* Consider Custom scans */
-	add_custom_scan_paths(root,rel,rte);
+	add_custom_scan_paths(root, rel, rte);
 
 	/* Now find the cheapest of the paths for this rel */
 	set_cheapest(rel);
@@ -423,7 +423,7 @@ set_foreign_pathlist(PlannerInfo *root, RelOptInfo *rel, RangeTblEntry *rte)
 	rel->fdwroutine->GetForeignPaths(root, rel, rte->relid);
 
 	/* Consider Custom scans */
-	add_custom_scan_paths(root,rel,rte);
+	add_custom_scan_paths(root, rel, rte);
 
 	/* Select cheapest path */
 	set_cheapest(rel);
@@ -1245,7 +1245,7 @@ set_subquery_pathlist(PlannerInfo *root, RelOptInfo *rel,
 	add_path(rel, create_subqueryscan_path(root, rel, pathkeys, required_outer));
 
 	/* Consider Custom scans */
-	add_custom_scan_paths(root,rel,rte);
+	add_custom_scan_paths(root, rel, rte);
 
 	/* Select cheapest path (pretty easy in this case...) */
 	set_cheapest(rel);
@@ -1319,7 +1319,7 @@ set_function_pathlist(PlannerInfo *root, RelOptInfo *rel, RangeTblEntry *rte)
 										   pathkeys, required_outer));
 
 	/* Consider Custom scans */
-	add_custom_scan_paths(root,rel,rte);
+	add_custom_scan_paths(root, rel, rte);
 
 	/* Select cheapest path (pretty easy in this case...) */
 	set_cheapest(rel);
@@ -1345,7 +1345,7 @@ set_values_pathlist(PlannerInfo *root, RelOptInfo *rel, RangeTblEntry *rte)
 	add_path(rel, create_valuesscan_path(root, rel, required_outer));
 
 	/* Consider Custom scans */
-	add_custom_scan_paths(root,rel,rte);
+	add_custom_scan_paths(root, rel, rte);
 
 	/* Select cheapest path (pretty easy in this case...) */
 	set_cheapest(rel);
@@ -1417,7 +1417,7 @@ set_cte_pathlist(PlannerInfo *root, RelOptInfo *rel, RangeTblEntry *rte)
 	add_path(rel, create_ctescan_path(root, rel, required_outer));
 
 	/* Consider Custom scans */
-	add_custom_scan_paths(root,rel,rte);
+	add_custom_scan_paths(root, rel, rte);
 
 	/* Select cheapest path (pretty easy in this case...) */
 	set_cheapest(rel);
@@ -1473,7 +1473,7 @@ set_worktable_pathlist(PlannerInfo *root, RelOptInfo *rel, RangeTblEntry *rte)
 	add_path(rel, create_worktablescan_path(root, rel, required_outer));
 
 	/* Consider Custom scans */
-	add_custom_scan_paths(root,rel,rte);
+	add_custom_scan_paths(root, rel, rte);
 
 	/* Select cheapest path (pretty easy in this case...) */
 	set_cheapest(rel);
diff --git a/src/include/optimizer/paths.h b/src/include/optimizer/paths.h
index a561387..b613946 100644
--- a/src/include/optimizer/paths.h
+++ b/src/include/optimizer/paths.h
@@ -35,10 +35,10 @@ typedef void (*add_scan_path_hook_type)(PlannerInfo *root,
 										RangeTblEntry *rte);
 extern PGDLLIMPORT add_scan_path_hook_type add_scan_path_hook;
 
-#define add_custom_scan_paths(root,baserel,rte)				\
+#define add_custom_scan_paths(root, baserel, rte)				\
 	do {														\
-		if (add_scan_path_hook)										\
-			(*add_scan_path_hook)((root),(baserel),(rte));			\
+		if (add_scan_path_hook)									\
+			(*add_scan_path_hook)((root), (baserel), (rte));	\
 	} while(0)
 
 /* Hook for plugins to add custom join path, in addition to default ones */
diff --git a/src/test/regress/expected/.gitignore b/src/test/regress/expected/.gitignore
index 93c56c8..7e35e74 100644
--- a/src/test/regress/expected/.gitignore
+++ b/src/test/regress/expected/.gitignore
@@ -2,6 +2,7 @@
 /copy.out
 /create_function_1.out
 /create_function_2.out
+/custom_scan.out
 /largeobject.out
 /largeobject_1.out
 /misc.out
diff --git a/src/test/regress/sql/.gitignore b/src/test/regress/sql/.gitignore
index 46c8112..8eeb461 100644
--- a/src/test/regress/sql/.gitignore
+++ b/src/test/regress/sql/.gitignore
@@ -2,6 +2,7 @@
 /copy.sql
 /create_function_1.sql
 /create_function_2.sql
+/custom_scan.sql
 /largeobject.sql
 /misc.sql
 /security_label.sql