diff --git a/fixtures/issue-33/adds.ts b/fixtures/issue-33/adds.ts
new file mode 100644
index 00000000..80ec9122
--- /dev/null
+++ b/fixtures/issue-33/adds.ts
@@ -0,0 +1 @@
+import "rxjs/add/observable/from";
diff --git a/fixtures/issue-33/fixture.ts b/fixtures/issue-33/fixture.ts
new file mode 100644
index 00000000..41041568
--- /dev/null
+++ b/fixtures/issue-33/fixture.ts
@@ -0,0 +1,3 @@
+import { Observable } from "rxjs/Observable";
+
+const ob = Observable.from([]);
diff --git a/fixtures/issue-33/tsconfig.json b/fixtures/issue-33/tsconfig.json
new file mode 100644
index 00000000..b3f5b268
--- /dev/null
+++ b/fixtures/issue-33/tsconfig.json
@@ -0,0 +1,13 @@
+{
+  "compilerOptions": {
+    "baseUrl": ".",
+    "lib": ["es2015"],
+    "noEmit": true,
+    "paths": {
+      "rxjs": ["../node_modules/rxjs"]
+    },
+    "skipLibCheck": true,
+    "target": "es5"
+  },
+  "include": ["adds.ts", "fixture.ts"]
+}
diff --git a/fixtures/issue-33/tslint.json b/fixtures/issue-33/tslint.json
new file mode 100644
index 00000000..bf011f05
--- /dev/null
+++ b/fixtures/issue-33/tslint.json
@@ -0,0 +1,15 @@
+{
+  "defaultSeverity": "error",
+  "jsRules": {},
+  "rules": {
+    "rxjs-add": {
+      "options": [{
+        "allowElsewhere": false,
+        "allowUnused": false,
+        "file": "./adds.ts"
+      }],
+      "severity": "error"
+    }
+  },
+  "rulesDirectory": "../../build/rules"
+}
diff --git a/source/fixtures-spec.ts b/source/fixtures-spec.ts
index a6cd3ea7..f316d3c9 100644
--- a/source/fixtures-spec.ts
+++ b/source/fixtures-spec.ts
@@ -446,6 +446,17 @@ describe("fixtures", function (): void {
         });
     });
 
+    describe("issue-related fixtures", () => {
+
+        describe("issue-33", () => {
+
+            it("should not effect errors", () => {
+                const result = lint("issue-33", "tslint.json", "adds.ts");
+                expect(result).to.have.property("errorCount", 0);
+            });
+        });
+    });
+
     describe("subject-related rules", () => {
 
         describe("async-subject-with-unsubscribe", () => {