diff --git a/changelogs/fragments/10663-pacemaker-resource-fix-resource-type.yml b/changelogs/fragments/10663-pacemaker-resource-fix-resource-type.yml
new file mode 100644
index 0000000000..270488d248
--- /dev/null
+++ b/changelogs/fragments/10663-pacemaker-resource-fix-resource-type.yml
@@ -0,0 +1,2 @@
+bugfixes:
+  - "pacemaker_resource - fix ``resource_type`` parameter formatting (https://github.com/ansible-collections/community.general/issues/10426, https://github.com/ansible-collections/community.general/pull/10663)."
diff --git a/plugins/module_utils/pacemaker.py b/plugins/module_utils/pacemaker.py
index 6228244e10..977a71806a 100644
--- a/plugins/module_utils/pacemaker.py
+++ b/plugins/module_utils/pacemaker.py
@@ -24,7 +24,7 @@ _state_map = {
 
 
 def fmt_resource_type(value):
-    return [value[k] for k in ['resource_standard', 'resource_provider', 'resource_name'] if value.get(k) is not None]
+    return [":".join(value[k] for k in ['resource_standard', 'resource_provider', 'resource_name'] if value.get(k) is not None)]
 
 
 def fmt_resource_operation(value):
diff --git a/tests/unit/plugins/modules/test_pacemaker_resource.yaml b/tests/unit/plugins/modules/test_pacemaker_resource.yaml
index 76679d14d9..5ecd1797e5 100644
--- a/tests/unit/plugins/modules/test_pacemaker_resource.yaml
+++ b/tests/unit/plugins/modules/test_pacemaker_resource.yaml
@@ -57,6 +57,8 @@ test_cases:
       name: virtual-ip
       resource_type:
         resource_name: IPaddr2
+        resource_standard: ocf
+        resource_provider: heartbeat
       resource_option:
         - "ip=[192.168.2.1]"
       resource_operation:
@@ -98,10 +100,10 @@ test_cases:
             dc-version=2.1.9-1.fc41-7188dbf
             have-watchdog=false
           err: ""
-        - command: [/testbin/pcs, resource, create, virtual-ip, IPaddr2, "ip=[192.168.2.1]", op, start, timeout=1200, op, stop, timeout=1200, op, monitor, timeout=1200, meta, test_meta1=123, meta, test_meta2=456, --group, test_group, --wait=200]
+        - command: [/testbin/pcs, resource, create, virtual-ip, ocf:heartbeat:IPaddr2, "ip=[192.168.2.1]", op, start, timeout=1200, op, stop, timeout=1200, op, monitor, timeout=1200, meta, test_meta1=123, meta, test_meta2=456, --group, test_group, --wait=200]
           environ: *env-def
           rc: 0
-          out: "Assumed agent name 'ocf:heartbeat:IPaddr2' (deduced from 'IPAddr2')"
+          out: "Assumed agent name 'ocf:heartbeat:IPaddr2'"
           err: ""
         - command: [/testbin/pcs, resource, status, virtual-ip]
           environ: *env-def