diff --git a/packages/engine-core/src/NodeEngine.ts b/packages/engine-core/src/NodeEngine.ts
index c609b332..98b5139c 100644
--- a/packages/engine-core/src/NodeEngine.ts
+++ b/packages/engine-core/src/NodeEngine.ts
@@ -338,7 +338,7 @@ ${chalk.dim("In case we're mistaken, please report this to us 🙏.")}`)
 
         const prismaPath = await this.getPrismaPath()
 
-        const flags = ['--enable_raw_queries', ...this.flags]
+        const flags = ['--enable-raw-queries', ...this.flags]
         debug({ flags })
 
         this.child = spawn(prismaPath, flags, {
diff --git a/packages/photon/src/generation/TSClient.ts b/packages/photon/src/generation/TSClient.ts
index 66e6f562..289c838d 100644
--- a/packages/photon/src/generation/TSClient.ts
+++ b/packages/photon/src/generation/TSClient.ts
@@ -543,7 +543,7 @@ ${this.jsDoc}
       logLevel: options.log && getLogLevel(options.log),
       logQueries: options.log && Boolean(options.log.find(o => typeof o === 'string' ? o === 'query' : o.level === 'query')),
       env: envFile,
-      flags: options.forceTransactions ? ['--always_force_transactions'] : []
+      flags: options.forceTransactions ? ['--always-force-transactions'] : []
     }
 
     debug({ engineConfig: this.engineConfig })