diff --git a/src/config.ts b/src/config.ts
index 96d84d4..bbccfae 100644
--- a/src/config.ts
+++ b/src/config.ts
@@ -89,7 +89,8 @@ addDefaults(config, {
         max: 10,
         idleTimeoutMillis: 10000,
         maxTries: 3,
-        fallbackOnFail: true
+        fallbackOnFail: true,
+        stopRetryThreshold: 800
     },
     dumpDatabase: {
         enabled: false,
diff --git a/src/databases/Postgres.ts b/src/databases/Postgres.ts
index fab0fb1..161a9c9 100644
--- a/src/databases/Postgres.ts
+++ b/src/databases/Postgres.ts
@@ -148,7 +148,8 @@ export class Postgres implements IDatabase {
 
                 Logger.error(`prepare (postgres) try ${tries}: ${err}`);
             }
-        } while (this.isReadQuery(type) && tries < maxTries());
+        } while (this.isReadQuery(type) && tries < maxTries()
+            && this.activePostgresRequests < this.config.postgresReadOnly.stopRetryThreshold);
 
         this.activePostgresRequests--;
         throw new Error(`prepare (postgres): ${type} ${query} failed after ${tries} tries`);
diff --git a/src/types/config.model.ts b/src/types/config.model.ts
index e6b221d..c9ae96e 100644
--- a/src/types/config.model.ts
+++ b/src/types/config.model.ts
@@ -21,6 +21,7 @@ export interface CustomPostgresReadOnlyConfig extends CustomPostgresConfig {
     weight: number;
     readTimeout: number;
     fallbackOnFail: boolean;
+    stopRetryThreshold: number;
 }
 
 export interface SBSConfig {