diff --git a/app/operations/operations-types.h b/app/operations/operations-types.h
index 8068d07940..820fae239a 100644
--- a/app/operations/operations-types.h
+++ b/app/operations/operations-types.h
@@ -55,22 +55,22 @@ typedef struct _GimpCagePoint                   GimpCagePoint;
 
 /*  functions  */
 
-typedef gboolean (* GimpLayerModeFunc) (gfloat                *in,
-                                        gfloat                *aux,
-                                        gfloat                *mask,
-                                        gfloat                *out,
-                                        gfloat                 opacity,
-                                        glong                  samples,
-                                        const GeglRectangle   *roi,
-                                        gint                   level,
-                                        GimpLayerBlendTRC      blend_trc,
-                                        GimpLayerBlendTRC      composite_trc,
-                                        GimpLayerCompositeMode composite_mode);
+typedef gboolean (* GimpLayerModeFunc) (gfloat                 *in,
+                                        gfloat                 *aux,
+                                        gfloat                 *mask,
+                                        gfloat                 *out,
+                                        gfloat                  opacity,
+                                        glong                   samples,
+                                        const GeglRectangle    *roi,
+                                        gint                    level,
+                                        GimpLayerBlendTRC       blend_trc,
+                                        GimpLayerBlendTRC       composite_trc,
+                                        GimpLayerCompositeMode  composite_mode);
 
-typedef  void    (* GimpBlendFunc)     (const float         *dest,
-                                        const float         *src,
-                                        float               *out,
-                                        gint                 samples);
+typedef  void    (* GimpBlendFunc)     (const float            *dest,
+                                        const float            *src,
+                                        float                  *out,
+                                        gint                    samples);
 
 
 #endif /* __OPERATIONS_TYPES_H__ */