diff --git a/tests/dec/test_dec.py b/tests/dec/test_dec.py
index 0c0bcf86..198ec571 100644
--- a/tests/dec/test_dec.py
+++ b/tests/dec/test_dec.py
@@ -287,12 +287,33 @@ def test_list_lineshapePW_definitions():
 
 
 def test_global_photos_flag():
+    """
+    Check that PHOTOS is on for all decays.
+    """
     p = DecFileParser(DIR / "../data/defs-aliases-chargeconj.dec")
     p.parse()
 
     assert p.global_photos_flag()
 
 
+def test_global_photos_off():
+    """
+    Check that PHOTOS is off for all decays.
+    """
+    s = """
+    # Turn off PHOTOS for all decays
+    noPhotos
+
+    Decay D0
+      1.0   K-      pi+        PHSP;
+    Enddecay
+    """
+    p = DecFileParser.from_string(s)
+    p.parse()
+
+    assert p.global_photos_flag() == PhotosEnum.no
+
+
 def test_missing_global_photos_flag():
     p = DecFileParser(DIR / "../data/test_example_Dst.dec")
     p.parse()
@@ -312,6 +333,7 @@ def test_duplicated_global_photos_flag():
     """
     p = DecFileParser.from_string(s)
     p.parse()
+
     # The following call issues the warning
     # UserWarning: PHOTOS flag re-set! Using flag set in last ...
     #   warnings.warn("PHOTOS flag re-set! Using flag set in last ...")