diff --git a/mmnode-blocks-info b/mmnode-blocks-info
index 9852da9..8d0b2ca 100755
--- a/mmnode-blocks-info
+++ b/mmnode-blocks-info
@@ -23,10 +23,11 @@ mmgen-blocks-info: Display information about a block or range of blocks
 import time,re
 from mmgen.common import *
 
-opts_data = lambda: {
-	'desc':    'Display information about or find a transaction within a range of blocks',
-	'usage':   '[opts] +<last n blocks>|<block num>|<block num range>',
-	'options': """
+opts_data = {
+	'text': {
+		'desc':    'Display information about or find a transaction within a range of blocks',
+		'usage':   '[opts] +<last n blocks>|<block num>|<block num range>',
+		'options': """
 -h, --help            Print this help message
 --, --longhelp        Print help message for long options (common options)
 -H, --hashes          Display only block numbers and hashes
@@ -38,6 +39,7 @@ opts_data = lambda: {
 
 If no block number is specified, the current block is assumed
 """
+	}
 }
 
 cmd_args = opts.init(opts_data)
diff --git a/mmnode-netrate b/mmnode-netrate
index 664c6c2..1266951 100755
--- a/mmnode-netrate
+++ b/mmnode-netrate
@@ -23,13 +23,15 @@ mmgen-netrate: Bitcoin daemon network rate monitor
 import time
 from mmgen.common import *
 
-opts_data = lambda: {
-	'desc':    'Bitcoin daemon network rate monitor',
-	'usage':   '[opts]',
-	'options': """
+opts_data = {
+	'text': {
+		'desc': 'Bitcoin daemon network rate monitor',
+		'usage':   '[opts]',
+		'options': """
 -h, --help      Print this help message
 --, --longhelp  Print help message for long options (common options)
 """
+	}
 }
 
 cmd_args = opts.init(opts_data)
diff --git a/mmnode-peerblocks b/mmnode-peerblocks
index ebb751e..a3a2f30 100755
--- a/mmnode-peerblocks
+++ b/mmnode-peerblocks
@@ -23,13 +23,15 @@ mmgen-peerblocks: List blocks in flight, disconnect stalling nodes
 import time,threading
 from mmgen.common import *
 
-opts_data = lambda: {
-	'desc':    'List blocks in flight, disconnect stalling nodes',
-	'usage':   '[opts]',
-	'options': """
+opts_data = {
+	'text': {
+		'desc': 'List blocks in flight, disconnect stalling nodes',
+		'usage':   '[opts]',
+		'options': """
 -h, --help      Print this help message
 --, --longhelp  Print help message for long options (common options)
 """
+	}
 }
 
 cmd_args = opts.init(opts_data)
diff --git a/mmnode-play-sound b/mmnode-play-sound
index 9ed3696..25b4fbc 100755
--- a/mmnode-play-sound
+++ b/mmnode-play-sound
@@ -26,14 +26,15 @@ from mmgen.util import die
 from mmgen.node_tools.Sound import *
 volume = 100
 
-opts_data = lambda: {
-	'prog_name': sys.argv[0].split('/')[-1],
-	'desc': 'Play a sound file at controlled volume',
-	'usage': '[opts]',
-	'options': """
+opts_data = {
+	'text': {
+		'desc': 'Play a sound file at controlled volume',
+		'usage': '[opts]',
+		'options': """
 -h, --help       Print this help message
 -v, --volume=  n Adjust sound volume by percentage 'n' (default: {})
 """.format(volume)
+	}
 }
 
 args = opts.init(opts_data)