diff --git a/util/getstyle.c b/util/getstyle.c
index 079b7d40..7c8f00b4 100644
--- a/util/getstyle.c
+++ b/util/getstyle.c
@@ -279,6 +279,7 @@ static void makeThemePack(WMPropList * style, const char *themeName)
 			}
 		}
 	}
+	WMReleasePropList(keys);
 }
 
 int main(int argc, char **argv)