diff --git a/src/hnsw.h b/src/hnsw.h
index 5853fc9..ab75a0c 100644
--- a/src/hnsw.h
+++ b/src/hnsw.h
@@ -316,7 +316,7 @@ typedef struct HnswVacuumState
 int			HnswGetM(Relation index);
 int			HnswGetEfConstruction(Relation index);
 FmgrInfo   *HnswOptionalProcInfo(Relation index, uint16 procnum);
-bool		HnswNormValue(FmgrInfo *procinfo, Oid collation, Datum *value, Vector * result);
+void		HnswNormValue(FmgrInfo *procinfo, Oid collation, Datum *value, Vector * result);
 void		HnswCommitBuffer(Buffer buf, GenericXLogState *state);
 Buffer		HnswNewBuffer(Relation index, ForkNumber forkNum);
 void		HnswInitPage(Buffer buf, Page page);
diff --git a/src/hnswbuild.c b/src/hnswbuild.c
index ea7b889..3588fee 100644
--- a/src/hnswbuild.c
+++ b/src/hnswbuild.c
@@ -307,10 +307,7 @@ InsertTuple(Relation index, Datum *values, HnswElement element, HnswBuildState *
 
 	/* Normalize if needed */
 	if (buildstate->normprocinfo != NULL)
-	{
-		if (!HnswNormValue(buildstate->normprocinfo, collation, &value, buildstate->normvec))
-			return false;
-	}
+		HnswNormValue(buildstate->normprocinfo, collation, &value, buildstate->normvec);
 
 	/* Copy value to element so accessible outside of memory context */
 	oldCtx = MemoryContextSwitchTo(outerCtx);
diff --git a/src/hnswinsert.c b/src/hnswinsert.c
index 873be3a..7971409 100644
--- a/src/hnswinsert.c
+++ b/src/hnswinsert.c
@@ -500,10 +500,7 @@ HnswInsertTuple(Relation index, Datum *values, bool *isnull, ItemPointer heap_ti
 	/* Normalize if needed */
 	normprocinfo = HnswOptionalProcInfo(index, HNSW_NORM_PROC);
 	if (normprocinfo != NULL)
-	{
-		if (!HnswNormValue(normprocinfo, collation, &value, NULL))
-			return false;
-	}
+		HnswNormValue(normprocinfo, collation, &value, NULL);
 
 	/*
 	 * Get a shared lock. This allows vacuum to ensure no in-flight inserts
diff --git a/src/hnswutils.c b/src/hnswutils.c
index 0eee24e..95676e9 100644
--- a/src/hnswutils.c
+++ b/src/hnswutils.c
@@ -55,7 +55,7 @@ HnswOptionalProcInfo(Relation index, uint16 procnum)
  * The caller needs to free the pointer stored in value
  * if it's different than the original value
  */
-bool
+void
 HnswNormValue(FmgrInfo *procinfo, Oid collation, Datum *value, Vector * result)
 {
 	double		norm = DatumGetFloat8(FunctionCall1Coll(procinfo, collation, *value));
@@ -71,11 +71,7 @@ HnswNormValue(FmgrInfo *procinfo, Oid collation, Datum *value, Vector * result)
 			result->x[i] = v->x[i] / norm;
 
 		*value = PointerGetDatum(result);
-
-		return true;
 	}
-
-	return false;
 }
 
 /*
diff --git a/src/ivfbuild.c b/src/ivfbuild.c
index 15ba9aa..a2b094d 100644
--- a/src/ivfbuild.c
+++ b/src/ivfbuild.c
@@ -177,10 +177,7 @@ AddTupleToSort(Relation index, ItemPointer tid, Datum *values, IvfflatBuildState
 
 	/* Normalize if needed */
 	if (buildstate->normprocinfo != NULL)
-	{
-		if (!IvfflatNormValue(buildstate->normprocinfo, buildstate->collation, &value, buildstate->normvec))
-			return;
-	}
+		IvfflatNormValue(buildstate->normprocinfo, buildstate->collation, &value, buildstate->normvec);
 
 	/* Find the list that minimizes the distance */
 	for (int i = 0; i < centers->length; i++)
diff --git a/src/ivfinsert.c b/src/ivfinsert.c
index 103fe49..a8e67bd 100644
--- a/src/ivfinsert.c
+++ b/src/ivfinsert.c
@@ -83,10 +83,7 @@ InsertTuple(Relation index, Datum *values, bool *isnull, ItemPointer heap_tid, R
 	/* Normalize if needed */
 	normprocinfo = IvfflatOptionalProcInfo(index, IVFFLAT_NORM_PROC);
 	if (normprocinfo != NULL)
-	{
-		if (!IvfflatNormValue(normprocinfo, index->rd_indcollation[0], &value, NULL))
-			return;
-	}
+		IvfflatNormValue(normprocinfo, index->rd_indcollation[0], &value, NULL);
 
 	/* Find the insert page - sets the page and list info */
 	FindInsertPage(index, values, &insertPage, &listInfo);
diff --git a/test/expected/hnsw_cosine.out b/test/expected/hnsw_cosine.out
index df9eb81..01542bc 100644
--- a/test/expected/hnsw_cosine.out
+++ b/test/expected/hnsw_cosine.out
@@ -9,18 +9,19 @@ SELECT * FROM t ORDER BY val <=> '[3,3,3]';
  [1,1,1]
  [1,2,3]
  [1,2,4]
-(3 rows)
+ [0,0,0]
+(4 rows)
 
 SELECT COUNT(*) FROM (SELECT * FROM t ORDER BY val <=> '[0,0,0]') t2;
  count 
 -------
-     3
+     4
 (1 row)
 
 SELECT COUNT(*) FROM (SELECT * FROM t ORDER BY val <=> (SELECT NULL::vector)) t2;
  count 
 -------
-     3
+     4
 (1 row)
 
 DROP TABLE t;
diff --git a/test/expected/ivfflat_cosine.out b/test/expected/ivfflat_cosine.out
index 8584d95..d647057 100644
--- a/test/expected/ivfflat_cosine.out
+++ b/test/expected/ivfflat_cosine.out
@@ -9,18 +9,19 @@ SELECT * FROM t ORDER BY val <=> '[3,3,3]';
  [1,1,1]
  [1,2,3]
  [1,2,4]
-(3 rows)
+ [0,0,0]
+(4 rows)
 
 SELECT COUNT(*) FROM (SELECT * FROM t ORDER BY val <=> '[0,0,0]') t2;
  count 
 -------
-     3
+     4
 (1 row)
 
 SELECT COUNT(*) FROM (SELECT * FROM t ORDER BY val <=> (SELECT NULL::vector)) t2;
  count 
 -------
-     3
+     4
 (1 row)
 
 DROP TABLE t;