diff --git a/ChangeLog b/ChangeLog
index c5678ba9d..dbc2a416a 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,7 @@
+2021-04-23  Alexei Podtelezhnikov  <apodtele@gmail.com>
+
+	* src/sdf/ftsdf.c (sdf_{edge,contour,shape}_new): Use FT_QALLOC.
+
 2021-04-23  Alexei Podtelezhnikov  <apodtele@gmail.com>
 
 	[sfnt] s/FT_ALLOC/FT_QALLOC/ for initialized buffers.
diff --git a/src/sdf/ftsdf.c b/src/sdf/ftsdf.c
index b80b1cbe0..a58d1448f 100644
--- a/src/sdf/ftsdf.c
+++ b/src/sdf/ftsdf.c
@@ -495,7 +495,7 @@
       goto Exit;
     }
 
-    if ( !FT_ALLOC( ptr, sizeof ( *ptr ) ) )
+    if ( !FT_QALLOC( ptr, sizeof ( *ptr ) ) )
     {
       *ptr = null_edge;
       *edge = ptr;
@@ -534,7 +534,7 @@
       goto Exit;
     }
 
-    if ( !FT_ALLOC( ptr, sizeof ( *ptr ) ) )
+    if ( !FT_QALLOC( ptr, sizeof ( *ptr ) ) )
     {
       *ptr     = null_contour;
       *contour = ptr;
@@ -589,7 +589,7 @@
       goto Exit;
     }
 
-    if ( !FT_ALLOC( ptr, sizeof ( *ptr ) ) )
+    if ( !FT_QALLOC( ptr, sizeof ( *ptr ) ) )
     {
       *ptr        = null_shape;
       ptr->memory = memory;