diff --git a/tests/driver_bme680/main.c b/tests/driver_bme680/main.c
index d80ba3dfa7c4..cd3d53828598 100644
--- a/tests/driver_bme680/main.c
+++ b/tests/driver_bme680/main.c
@@ -55,6 +55,7 @@ int main(void)
         printf("Initialize BME680 sensor %u ... ", i);
         if (bme680_init(&dev[i], &bme680_params[i]) != BME680_OK) {
             puts("failed");
+            return -1;
         }
         else {
             puts("OK");
diff --git a/tests/driver_bme680/tests/01-run.py b/tests/driver_bme680/tests/01-run.py
index 9e883f785f3f..213640011f53 100755
--- a/tests/driver_bme680/tests/01-run.py
+++ b/tests/driver_bme680/tests/01-run.py
@@ -16,13 +16,12 @@ def testfunc(child):
     if i == 1:
         print('FAILED')
         return
-    child.expect('\[bme680\]: dev=0, ')
-    child.expect(r'T = \d+.\d+ degC, ')
-    child.expect(r'P = \d+ Pa, ')
-    child.expect(r'H = \d+.\d+ \%, ')
-    child.expect(r'G = \d+ ohms')
+    child.expect(r'\[bme680\]: dev=0, '
+                 r'T = \d+.\d+ degC, '
+                 r'P = \d+ Pa, '
+                 r'H = \d+.\d+ \%, '
+                 r'G = \d+ ohms\r\n')
     print('SUCCESS')
-    return
 
 
 if __name__ == "__main__":