diff --git a/subprojects/gst-docs/markdown/tutorials/android/a-running-pipeline.md b/subprojects/gst-docs/markdown/tutorials/android/a-running-pipeline.md
index 0f6d672748..0d3af5e762 100644
--- a/subprojects/gst-docs/markdown/tutorials/android/a-running-pipeline.md
+++ b/subprojects/gst-docs/markdown/tutorials/android/a-running-pipeline.md
@@ -356,11 +356,11 @@ GST_DEBUG_CATEGORY_STATIC (debug_category);
  * a jlong, which is always 64 bits, without warnings.
  */
 #if GLIB_SIZEOF_VOID_P == 8
-## define GET_CUSTOM_DATA(env, thiz, fieldID) (CustomData *)(*env)->GetLongField (env, thiz, fieldID)
-## define SET_CUSTOM_DATA(env, thiz, fieldID, data) (*env)->SetLongField (env, thiz, fieldID, (jlong)data)
+# define GET_CUSTOM_DATA(env, thiz, fieldID) (CustomData *)(*env)->GetLongField (env, thiz, fieldID)
+# define SET_CUSTOM_DATA(env, thiz, fieldID, data) (*env)->SetLongField (env, thiz, fieldID, (jlong)data)
 #else
-## define GET_CUSTOM_DATA(env, thiz, fieldID) (CustomData *)(jint)(*env)->GetLongField (env, thiz, fieldID)
-## define SET_CUSTOM_DATA(env, thiz, fieldID, data) (*env)->SetLongField (env, thiz, fieldID, (jlong)(jint)data)
+# define GET_CUSTOM_DATA(env, thiz, fieldID) (CustomData *)(jint)(*env)->GetLongField (env, thiz, fieldID)
+# define SET_CUSTOM_DATA(env, thiz, fieldID, data) (*env)->SetLongField (env, thiz, fieldID, (jlong)(jint)data)
 #endif
 
 /* Structure to contain all our information, so we can pass it to callbacks */
diff --git a/subprojects/gst-docs/markdown/tutorials/android/media-player.md b/subprojects/gst-docs/markdown/tutorials/android/media-player.md
index e295946370..2d0a0f9080 100644
--- a/subprojects/gst-docs/markdown/tutorials/android/media-player.md
+++ b/subprojects/gst-docs/markdown/tutorials/android/media-player.md
@@ -502,11 +502,11 @@ GST_DEBUG_CATEGORY_STATIC (debug_category);
  * a jlong, which is always 64 bits, without warnings.
  */
 #if GLIB_SIZEOF_VOID_P == 8
-## define GET_CUSTOM_DATA(env, thiz, fieldID) (CustomData *)(*env)->GetLongField (env, thiz, fieldID)
-## define SET_CUSTOM_DATA(env, thiz, fieldID, data) (*env)->SetLongField (env, thiz, fieldID, (jlong)data)
+# define GET_CUSTOM_DATA(env, thiz, fieldID) (CustomData *)(*env)->GetLongField (env, thiz, fieldID)
+# define SET_CUSTOM_DATA(env, thiz, fieldID, data) (*env)->SetLongField (env, thiz, fieldID, (jlong)data)
 #else
-## define GET_CUSTOM_DATA(env, thiz, fieldID) (CustomData *)(jint)(*env)->GetLongField (env, thiz, fieldID)
-## define SET_CUSTOM_DATA(env, thiz, fieldID, data) (*env)->SetLongField (env, thiz, fieldID, (jlong)(jint)data)
+# define GET_CUSTOM_DATA(env, thiz, fieldID) (CustomData *)(jint)(*env)->GetLongField (env, thiz, fieldID)
+# define SET_CUSTOM_DATA(env, thiz, fieldID, data) (*env)->SetLongField (env, thiz, fieldID, (jlong)(jint)data)
 #endif
 
 /* Do not allow seeks to be performed closer than this distance. It is visually useless, and will probably
diff --git a/subprojects/gst-docs/markdown/tutorials/android/video.md b/subprojects/gst-docs/markdown/tutorials/android/video.md
index fa02fa641d..8c9bad65ed 100644
--- a/subprojects/gst-docs/markdown/tutorials/android/video.md
+++ b/subprojects/gst-docs/markdown/tutorials/android/video.md
@@ -262,11 +262,11 @@ GST_DEBUG_CATEGORY_STATIC (debug_category);
  * a jlong, which is always 64 bits, without warnings.
  */
 #if GLIB_SIZEOF_VOID_P == 8
-## define GET_CUSTOM_DATA(env, thiz, fieldID) (CustomData *)(*env)->GetLongField (env, thiz, fieldID)
-## define SET_CUSTOM_DATA(env, thiz, fieldID, data) (*env)->SetLongField (env, thiz, fieldID, (jlong)data)
+# define GET_CUSTOM_DATA(env, thiz, fieldID) (CustomData *)(*env)->GetLongField (env, thiz, fieldID)
+# define SET_CUSTOM_DATA(env, thiz, fieldID, data) (*env)->SetLongField (env, thiz, fieldID, (jlong)data)
 #else
-## define GET_CUSTOM_DATA(env, thiz, fieldID) (CustomData *)(jint)(*env)->GetLongField (env, thiz, fieldID)
-## define SET_CUSTOM_DATA(env, thiz, fieldID, data) (*env)->SetLongField (env, thiz, fieldID, (jlong)(jint)data)
+# define GET_CUSTOM_DATA(env, thiz, fieldID) (CustomData *)(jint)(*env)->GetLongField (env, thiz, fieldID)
+# define SET_CUSTOM_DATA(env, thiz, fieldID, data) (*env)->SetLongField (env, thiz, fieldID, (jlong)(jint)data)
 #endif
 
 /* Structure to contain all our information, so we can pass it to callbacks */