diff --git a/idutils/normalizers.py b/idutils/normalizers.py
index c85e81c..4d5aff7 100644
--- a/idutils/normalizers.py
+++ b/idutils/normalizers.py
@@ -260,6 +260,8 @@ def to_url(val, scheme, url_scheme="http"):
                 pid = pid[len("wikidata:") :]
         if scheme == "openalex":
             url_scheme = "https"
+        if scheme == "ensembl":
+            pid = pid.split(".")[0]
         return landing_urls[scheme].format(scheme=url_scheme, pid=pid)
     elif scheme in ["purl", "url"]:
         return pid
diff --git a/idutils/utils.py b/idutils/utils.py
index 1f6b6b7..dae49e1 100644
--- a/idutils/utils.py
+++ b/idutils/utils.py
@@ -247,7 +247,7 @@
 """
 
 ensembl_regexp = re.compile(
-    r"({prefixes})(E|FM|G|GT|P|R|T)\d{{11}}$".format(
+    r"({prefixes})(E|FM|G|GT|P|R|T)\d{{11}}(\.\d+)?$".format(
         prefixes="|".join(ENSEMBL_PREFIXES)
     )
 )
diff --git a/tests/test_idutils.py b/tests/test_idutils.py
index 577b0f5..f67530b 100644
--- a/tests/test_idutils.py
+++ b/tests/test_idutils.py
@@ -460,6 +460,14 @@
         "",
         "http://www.ensembl.org/id/ENSMUST00000017290",
     ),
+    (
+        "ENSG00000012048.15",
+        [
+            "ensembl",
+        ],
+        "",
+        "http://www.ensembl.org/id/ENSG00000012048",
+    ),
     (
         "P02833",
         [