diff --git a/plugins/modules/one_image.py b/plugins/modules/one_image.py
index 4e21dcb5ba9..0820118eca1 100644
--- a/plugins/modules/one_image.py
+++ b/plugins/modules/one_image.py
@@ -346,9 +346,9 @@ def run(self, one, module, result):
         if not image and desired_state != 'absent':
             # Using 'if id:' doesn't work properly when id=0
             if id is not None:
-                module.fail_json(msg=f"There is no image with id={id}")
+                module.fail_json(msg="There is no image with id=" + str(id))
             elif name is not None:
-                module.fail_json(msg=f"There is no image with name={name}")
+                module.fail_json(msg="There is no image with name=" + name)
 
         if desired_state == 'absent':
             self.result = self.delete_image(image)
@@ -473,7 +473,7 @@ def wait_for_ready(self, image_id, wait_timeout=60):
             state = image.STATE
 
             if state in [IMAGE_STATES.index('ERROR')]:
-                self.module.fail_json(msg=f"Got an ERROR state: {image.TEMPLATE['ERROR']}")
+                self.module.fail_json(msg="Got an ERROR state: " + image.TEMPLATE['ERROR'])
 
             if state in [IMAGE_STATES.index('READY')]:
                 return True
@@ -511,9 +511,9 @@ def enable_image(self, image, enable):
 
         if state not in [IMAGE_STATES.index('READY'), IMAGE_STATES.index('DISABLED'), IMAGE_STATES.index('ERROR')]:
             if enable:
-                self.module.fail_json(msg=f"Cannot enable {IMAGE_STATES[state]} image!")
+                self.module.fail_json(msg="Cannot enable " + IMAGE_STATES[state] + " image!")
             else:
-                self.module.fail_json(msg=f"Cannot disable {IMAGE_STATES[state]} image!")
+                self.module.fail_json(msg="Cannot disable " + IMAGE_STATES[state] + " image!")
 
         if ((enable and state != IMAGE_STATES.index('READY')) or
                 (not enable and state != IMAGE_STATES.index('DISABLED'))):
@@ -535,9 +535,9 @@ def change_persistence(self, image, enable):
 
         if state not in [IMAGE_STATES.index('READY'), IMAGE_STATES.index('DISABLED'), IMAGE_STATES.index('ERROR')]:
             if enable:
-                self.module.fail_json(msg=f"Cannot enable persistence for {IMAGE_STATES[state]} image!")
+                self.module.fail_json(msg="Cannot enable persistence for " + IMAGE_STATES[state] + " image!")
             else:
-                self.module.fail_json(msg=f"Cannot disable persistence {IMAGE_STATES[state]} image!")
+                self.module.fail_json(msg="Cannot disable persistence for " + IMAGE_STATES[state] + " image!")
 
         if ((enable and state != IMAGE_STATES.index('READY')) or
                 (not enable and state != IMAGE_STATES.index('DISABLED'))):
@@ -553,7 +553,7 @@ def change_persistence(self, image, enable):
 
     def clone_image(self, image, new_name):
         if new_name is None:
-            new_name = f"Copy of {image.NAME}"
+            new_name = "Copy of " + image.NAME
 
         tmp_image = self.get_image_by_name(new_name)
         if tmp_image:
@@ -585,7 +585,7 @@ def rename_image(self, image, new_name):
 
         tmp_image = self.get_image_by_name(new_name)
         if tmp_image:
-            self.module.fail_json(msg=f"Name '{new_name}' is already taken by IMAGE with id={tmp_image.ID}")
+            self.module.fail_json(msg="Name '" + new_name + "' is already taken by IMAGE with id=" + str(tmp_image.ID))
 
         if not self.module.check_mode:
             self.one.image.rename(image.ID, new_name)
@@ -599,7 +599,7 @@ def delete_image(self, image):
             return {'changed': False}
 
         if image.RUNNING_VMS > 0:
-            self.module.fail_json(msg=f"Cannot delete image. There are {image.RUNNING_VMS} VMs using it.")
+            self.module.fail_json(msg="Cannot delete image. There are " + str(image.RUNNING_VMS) + " VMs using it.")
 
         if not self.module.check_mode:
             self.one.image.delete(image.ID)