diff --git a/plugins/modules/gcp_compute_interconnect_attachment.py b/plugins/modules/gcp_compute_interconnect_attachment.py
index 704b7fe..db6446f 100644
--- a/plugins/modules/gcp_compute_interconnect_attachment.py
+++ b/plugins/modules/gcp_compute_interconnect_attachment.py
@@ -73,7 +73,7 @@ options:
       attachment. Currently, only 1440 and 1500 are allowed. If not specified, the
       value will default to 1440.
     required: false
-    type: str
+    type: int
   bandwidth:
     description:
     - Provisioned bandwidth capacity for the interconnect attachment.
@@ -239,7 +239,7 @@ mtu:
     attachment. Currently, only 1440 and 1500 are allowed. If not specified, the value
     will default to 1440.
   returned: success
-  type: str
+  type: int
 bandwidth:
   description:
   - Provisioned bandwidth capacity for the interconnect attachment.
@@ -385,7 +385,7 @@ def main():
             admin_enabled=dict(default=True, type='bool'),
             interconnect=dict(type='str'),
             description=dict(type='str'),
-            mtu=dict(type='str'),
+            mtu=dict(type='int'),
             bandwidth=dict(type='str'),
             edge_availability_domain=dict(type='str'),
             type=dict(type='str'),
diff --git a/plugins/modules/gcp_compute_interconnect_attachment_info.py b/plugins/modules/gcp_compute_interconnect_attachment_info.py
index cd122b2..f89c47b 100644
--- a/plugins/modules/gcp_compute_interconnect_attachment_info.py
+++ b/plugins/modules/gcp_compute_interconnect_attachment_info.py
@@ -155,7 +155,7 @@ resources:
         interconnect attachment. Currently, only 1440 and 1500 are allowed. If not
         specified, the value will default to 1440.
       returned: success
-      type: str
+      type: int
     bandwidth:
       description:
       - Provisioned bandwidth capacity for the interconnect attachment.