diff --git a/README.md b/README.md
index 78fa9e9e..fed3ab57 100644
--- a/README.md
+++ b/README.md
@@ -78,6 +78,9 @@ Note that the [sync client](https://github.com/InjectiveLabs/sdk-python/blob/mas
 
 
 ### Changelogs
+**0.5.7.2**
+* Fix MsgInstantBinaryOptionsLaunch
+
 **0.5.7.1**
 * Add optional argument to bypass ini file load in binary options
 
diff --git a/examples/chain_client/35_MsgInstantBinaryOptionsMarketLaunch.py b/examples/chain_client/35_MsgInstantBinaryOptionsMarketLaunch.py
index 882b936c..83d39820 100644
--- a/examples/chain_client/35_MsgInstantBinaryOptionsMarketLaunch.py
+++ b/examples/chain_client/35_MsgInstantBinaryOptionsMarketLaunch.py
@@ -46,6 +46,7 @@ async def main() -> None:
         oracle_provider="UFC",
         oracle_type="Provider",
         quote_denom="peggy0xdAC17F958D2ee523a2206206994597C13D831ec7",
+        quote_decimals=6,
         oracle_scale_factor=6,
         maker_fee_rate=0.0005, # 0.05%
         taker_fee_rate=0.0010, # 0.10%
diff --git a/pyinjective/composer.py b/pyinjective/composer.py
index 20ee4cdb..7e7b8635 100644
--- a/pyinjective/composer.py
+++ b/pyinjective/composer.py
@@ -468,6 +468,7 @@ def MsgInstantBinaryOptionsMarketLaunch(
         expiration_timestamp: int,
         settlement_timestamp: int,
         quote_denom: str,
+        quote_decimals: int,
         min_price_tick_size: float,
         min_quantity_tick_size: float,
         **kwargs
@@ -479,7 +480,7 @@ def MsgInstantBinaryOptionsMarketLaunch(
         scaled_taker_fee_rate = Decimal((taker_fee_rate * pow(10, 18)))
         taker_fee_to_bytes = bytes(str(scaled_taker_fee_rate), "utf-8")
 
-        scaled_min_price_tick_size = Decimal((min_price_tick_size * pow(10, 18)))
+        scaled_min_price_tick_size = Decimal((min_price_tick_size * pow(10, quote_decimals + 18)))
         min_price_to_bytes = bytes(str(scaled_min_price_tick_size), "utf-8")
 
         scaled_min_quantity_tick_size = Decimal((min_quantity_tick_size * pow(10, 18)))
diff --git a/setup.py b/setup.py
index 7cc8b1b3..bc0229dc 100755
--- a/setup.py
+++ b/setup.py
@@ -17,7 +17,7 @@
 EMAIL = "achilleas@injectivelabs.com"
 AUTHOR = "Injective Labs"
 REQUIRES_PYTHON = ">=3.7.0"
-VERSION = "0.5.7.1"
+VERSION = "0.5.7.2"
 
 REQUIRED = [
     "grpcio",