diff --git a/src/attackmate/executors/ssh/interactfeature.py b/src/attackmate/executors/ssh/interactfeature.py
index b9dbf16d5..e4aec6820 100644
--- a/src/attackmate/executors/ssh/interactfeature.py
+++ b/src/attackmate/executors/ssh/interactfeature.py
@@ -13,14 +13,20 @@ def __init__(self):
         self.logger = logging.getLogger('playbook')
 
     def check_prompt(self, output: str, prompts: list[str]) -> bool:
-        if output and prompts:
-            for p in prompts:
-                if output.endswith(p):
-                    self.logger.debug('found prompt!')
-                    self.timer = None
-                    return True
-        else:
+        if not output:
+            return False
+
+        if not prompts:
             self.set_timer()
+            return False
+
+        for p in prompts:
+            if output.endswith(p):
+                self.logger.debug('found prompt!')
+                self.timer = None
+                return True
+
+        self.set_timer()
         return False
 
     def check_timer(self, seconds: int) -> bool:
diff --git a/test/units/test_interactfeature.py b/test/units/test_interactfeature.py
new file mode 100644
index 000000000..40b28dd65
--- /dev/null
+++ b/test/units/test_interactfeature.py
@@ -0,0 +1,33 @@
+import time
+from attackmate.executors.ssh.interactfeature import Interactive
+
+
+class TestCheckPrompt:
+    def setup_method(self):
+        self.interactive = Interactive()
+        self.interactive.set_timer()
+
+    def test_no_prompts_configured_resets_timer(self):
+        before = self.interactive.timer
+        time.sleep(0.05)
+        self.interactive.check_prompt('some output', [])
+        assert self.interactive.timer > before
+
+    def test_prompt_not_matched_resets_timer(self):
+        before = self.interactive.timer
+        time.sleep(0.05)
+        result = self.interactive.check_prompt('still running...', ['$ '])
+        assert result is False
+        assert self.interactive.timer > before
+
+    def test_prompt_matched_clears_timer_and_returns_true(self):
+        result = self.interactive.check_prompt('root@host:~$ ', ['$ '])
+        assert result is True
+        assert self.interactive.timer is None
+
+    def test_empty_output_on_channel_eof_does_not_reset_timer(self):
+        before = self.interactive.timer
+        time.sleep(0.05)
+        result = self.interactive.check_prompt('', ['$ '])
+        assert result is False
+        assert self.interactive.timer == before