diff --git a/apps/plugins/fire.c b/apps/plugins/fire.c
index 35432377f9..c26822c8dc 100644
--- a/apps/plugins/fire.c
+++ b/apps/plugins/fire.c
@@ -278,7 +278,8 @@ int init_grey(void)
     /* get the remainder of the plugin buffer */
     gbuf = (unsigned char *) rb->plugin_get_buffer(&gbuf_size);
 
-    if (!grey_init(rb, gbuf, gbuf_size, 0, FIRE_WIDTH, LCD_HEIGHT, NULL)){
+    if (!grey_init(rb, gbuf, gbuf_size, GREY_ON_COP,
+                   FIRE_WIDTH, LCD_HEIGHT, NULL)){
         rb->splash(HZ, "not enough memory");
         return PLUGIN_ERROR;
     }
diff --git a/apps/plugins/greyscale.c b/apps/plugins/greyscale.c
index 42ba08f22e..aba5dcc05b 100644
--- a/apps/plugins/greyscale.c
+++ b/apps/plugins/greyscale.c
@@ -210,7 +210,7 @@ int main(void)
     /* initialize the greyscale buffer:
        Archos: 112 pixels wide, 7 rows (56 pixels) high.
        H1x0: 160 pixels wide, 30 rows (120 pixels) high. */
-    if (!grey_init(rb, gbuf, gbuf_size, GREY_BUFFERED, 
+    if (!grey_init(rb, gbuf, gbuf_size, GREY_BUFFERED|GREY_ON_COP,
                    LCD_WIDTH, GFX_HEIGHT, NULL))
     {
         rb->splash(HZ, "Not enough memory.");
diff --git a/apps/plugins/jpeg.c b/apps/plugins/jpeg.c
index f128558c5a..710772f270 100644
--- a/apps/plugins/jpeg.c
+++ b/apps/plugins/jpeg.c
@@ -3333,7 +3333,8 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
 #endif
 
 #ifdef USEGSLIB
-    if (!grey_init(rb, buf, buf_size, 0, LCD_WIDTH, LCD_HEIGHT, &greysize))
+    if (!grey_init(rb, buf, buf_size, GREY_ON_COP,
+                   LCD_WIDTH, LCD_HEIGHT, &greysize))
     {
         rb->splash(HZ, "grey buf error");
         return PLUGIN_ERROR;
diff --git a/apps/plugins/lib/grey.h b/apps/plugins/lib/grey.h
index 95dca6beb6..7bb8c5ff98 100644
--- a/apps/plugins/lib/grey.h
+++ b/apps/plugins/lib/grey.h
@@ -41,7 +41,7 @@
 /* Greyscale library management structure declaration. You need one of these
  * in every plugin using the library, depending on whether the structure should
  * use IRAM or not. */
-#define GREY_INFO_STRUCT struct _grey_info _grey_info;
+#define GREY_INFO_STRUCT struct _grey_info _grey_info SHAREDBSS_ATTR;
 #define GREY_INFO_STRUCT_IRAM struct _grey_info _grey_info IBSS_ATTR;
 
 /* Features you can request on library init (ORed together): */
diff --git a/apps/plugins/mandelbrot.c b/apps/plugins/mandelbrot.c
index 4a4872b827..244d94b157 100644
--- a/apps/plugins/mandelbrot.c
+++ b/apps/plugins/mandelbrot.c
@@ -650,7 +650,8 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter)
     gbuf = (unsigned char *) rb->plugin_get_buffer(&gbuf_size);
 
     /* initialize the greyscale buffer.*/
-    if (!grey_init(rb, gbuf, gbuf_size, 0, LCD_WIDTH, LCD_HEIGHT, NULL))
+    if (!grey_init(rb, gbuf, gbuf_size, GREY_ON_COP,
+                   LCD_WIDTH, LCD_HEIGHT, NULL))
     {
         rb->splash(HZ, "Couldn't init greyscale display");
         return 0;
diff --git a/apps/plugins/plasma.c b/apps/plugins/plasma.c
index 2e04bd59b5..f013cefb85 100644
--- a/apps/plugins/plasma.c
+++ b/apps/plugins/plasma.c
@@ -233,7 +233,7 @@ int main(void)
     /* get the remainder of the plugin buffer */
     gbuf = (unsigned char *) rb->plugin_get_buffer(&gbuf_size);
 
-    grey_init(rb, gbuf, gbuf_size, 0, LCD_WIDTH, LCD_HEIGHT, NULL);
+    grey_init(rb, gbuf, gbuf_size, GREY_ON_COP, LCD_WIDTH, LCD_HEIGHT, NULL);
     /* switch on greyscale overlay */
     grey_show(true);
 #endif
diff --git a/apps/plugins/test_fps.c b/apps/plugins/test_fps.c
index da61a4f348..46a94a91ec 100644
--- a/apps/plugins/test_fps.c
+++ b/apps/plugins/test_fps.c
@@ -286,7 +286,8 @@ static void time_greyscale(void)
     int fps, load;
 
     gbuf = (unsigned char *) rb->plugin_get_buffer(&gbuf_size);
-    if (!grey_init(rb, gbuf, gbuf_size, GREY_ON_COP, LCD_WIDTH, LCD_HEIGHT, NULL))
+    if (!grey_init(rb, gbuf, gbuf_size, GREY_ON_COP,
+                   LCD_WIDTH, LCD_HEIGHT, NULL))
     {
         log_text("greylib: out of memory.");
         return;