diff --git a/src/os/win32/win32_sigar.c b/src/os/win32/win32_sigar.c
index df42d6ee..800e9938 100644
--- a/src/os/win32/win32_sigar.c
+++ b/src/os/win32/win32_sigar.c
@@ -99,8 +99,8 @@ static FARPROC sigar_GetProcAddress(sigar_t *sigar,
 
     if (!hModule) {
         sigar_log_printf(sigar, SIGAR_LOG_DEBUG,
-                         "GetProcAddress(%s): %s\n",
-                         lpProcName, "No module handle");
+                         "GetProcAddress(%s): No module handle",
+                         lpProcName);
         return NULL;
     }
 
diff --git a/src/sigar.c b/src/sigar.c
index 0f811c08..57c0c0ce 100644
--- a/src/sigar.c
+++ b/src/sigar.c
@@ -1549,8 +1549,8 @@ SIGAR_DECLARE(int) sigar_fqdn_get(sigar_t *sigar, char *name, int namelen)
         }
     }
 
-    sigar_log_printf(sigar, SIGAR_LOG_DEBUG,
-                     "[fqdn] unresolved using gethostbyname.h_addr_list");
+    sigar_log(sigar, SIGAR_LOG_DEBUG,
+              "[fqdn] unresolved using gethostbyname.h_addr_list");
 
 #if !defined(WIN32) && !defined(NETWARE)
     if (!IS_FQDN(name) && /* e.g. aix gethostname is already fqdn */