diff --git a/crypto/sol/app.py b/crypto/sol/app.py
index 69f83d8..5dabd16 100644
--- a/crypto/sol/app.py
+++ b/crypto/sol/app.py
@@ -53,7 +53,7 @@ if not pk:
         logging.warning("Private key file not found.")
     except Exception as e:
         logging.error(f"Error reading private key file: {str(e)}")
-if not pk
+if not pk:
     logging.error("Private key not found in environment variables. Will not be able to sign transactions.")