diff --git a/.server-changes/fix-resume-user-paused-environment.md b/.server-changes/fix-resume-user-paused-environment.md
new file mode 100644
index 0000000000..2be70288a1
--- /dev/null
+++ b/.server-changes/fix-resume-user-paused-environment.md
@@ -0,0 +1,6 @@
+---
+area: webapp
+type: fix
+---
+
+Fixed manually paused environments not being resumable. Resuming incorrectly failed with a billing-limit error even when no billing limit was in effect.
diff --git a/apps/webapp/app/v3/services/pauseEnvironment.server.ts b/apps/webapp/app/v3/services/pauseEnvironment.server.ts
index 4311edbee3..4cafbac140 100644
--- a/apps/webapp/app/v3/services/pauseEnvironment.server.ts
+++ b/apps/webapp/app/v3/services/pauseEnvironment.server.ts
@@ -78,7 +78,12 @@ export class PauseEnvironmentService extends WithRunEngine {
         const resumed = await this._prisma.runtimeEnvironment.updateMany({
           where: {
             id: environment.id,
-            NOT: { pauseSource: EnvironmentPauseSource.BILLING_LIMIT },
+            // NOT on a nullable field excludes NULL rows in Prisma, which made
+            // user-paused envs (pauseSource null) unresumable.
+            OR: [
+              { pauseSource: null },
+              { NOT: { pauseSource: EnvironmentPauseSource.BILLING_LIMIT } },
+            ],
           },
           data: {
             paused: false,