diff --git a/src/pulse/proplist.h b/src/pulse/proplist.h
index 099599f7f..97694dfe9 100644
--- a/src/pulse/proplist.h
+++ b/src/pulse/proplist.h
@@ -391,13 +391,13 @@ void pa_proplist_clear(pa_proplist *p);
 
 /** Allocate a new property list and copy over every single entry from
  * the specific list. \since 0.9.11 */
-pa_proplist* pa_proplist_copy(pa_proplist *t);
+pa_proplist* pa_proplist_copy(pa_proplist *p);
 
 /** Return the number of entries in the property list. \since 0.9.15 */
-unsigned pa_proplist_size(pa_proplist *t);
+unsigned pa_proplist_size(pa_proplist *p);
 
 /** Returns 0 when the proplist is empty, positive otherwise \since 0.9.15 */
-int pa_proplist_isempty(pa_proplist *t);
+int pa_proplist_isempty(pa_proplist *p);
 
 /** Return non-zero when a and b have the same keys and values.
  * \since 0.9.16 */