diff --git a/CMakeLists.txt b/CMakeLists.txt
index 8c19c125a..ab51026f9 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -145,6 +145,7 @@ if (CMAKE_CXX_COMPILER_ID MATCHES GNU)
 
     if (WIN32)
         set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static")
+        add_definitions(/D__STDC_FORMAT_MACROS)
     else()
         set(CMAKE_EXE_LINKER_FLAGS "${CMAKE_EXE_LINKER_FLAGS} -static-libgcc -static-libstdc++")
     endif()
diff --git a/src/net/Client.cpp b/src/net/Client.cpp
index b9ef5fd3e..953dde4ce 100644
--- a/src/net/Client.cpp
+++ b/src/net/Client.cpp
@@ -21,12 +21,11 @@
  *   along with this program. If not, see <http://www.gnu.org/licenses/>.
  */
 
-
+#include <inttypes.h>
 #include <iterator>
 #include <string.h>
 #include <utility>
 
-
 #include "log/Log.h"
 #include "interfaces/IClientListener.h"
 #include "net/Client.h"
@@ -172,7 +171,7 @@ int64_t Client::submit(const JobResult &result)
     data[64] = '\0';
 #   endif
 
-    snprintf(req, 345, "{\"id\":%llu,\"jsonrpc\":\"2.0\",\"method\":\"submit\",\"params\":{\"id\":\"%s\",\"job_id\":\"%s\",\"nonce\":\"%s\",\"result\":\"%s\"}}\n",
+    snprintf(req, 345, "{\"id\":%" PRIu64 ",\"jsonrpc\":\"2.0\",\"method\":\"submit\",\"params\":{\"id\":\"%s\",\"job_id\":\"%s\",\"nonce\":\"%s\",\"result\":\"%s\"}}\n",
              m_sequence, m_rpcId, result.jobId, nonce, data);
 
     m_results[m_sequence] = SubmitResult(m_sequence, result.diff);
@@ -344,7 +343,7 @@ void Client::parseNotification(const char *method, const json_t *params, const j
 {
     if (json_is_object(error)) {
         if (!m_quiet) {
-            LOG_ERR("[%s:%u] error: \"%s\", code: %lld", m_url.host(), m_url.port(), json_string_value(json_object_get(error, "message")), json_integer_value(json_object_get(error, "code")));
+            LOG_ERR("[%s:%u] error: \"%s\", code: %" PRId64, m_url.host(), m_url.port(), json_string_value(json_object_get(error, "message")), json_integer_value(json_object_get(error, "code")));
         }
         return;
     }
@@ -377,7 +376,7 @@ void Client::parseResponse(int64_t id, const json_t *result, const json_t *error
             m_results.erase(it);
         }
         else if (!m_quiet) {
-            LOG_ERR("[%s:%u] error: \"%s\", code: %lld", m_url.host(), m_url.port(), message, json_integer_value(json_object_get(error, "code")));
+            LOG_ERR("[%s:%u] error: \"%s\", code: %" PRId64, m_url.host(), m_url.port(), message, json_integer_value(json_object_get(error, "code")));
         }
 
         if (id == 1 || (message && strncasecmp(message, "Unauthenticated", 15) == 0)) {
@@ -418,7 +417,7 @@ void Client::parseResponse(int64_t id, const json_t *result, const json_t *error
 void Client::ping()
 {
     char *req = static_cast<char*>(malloc(128));
-    snprintf(req, 128, "{\"id\":%lld,\"jsonrpc\":\"2.0\",\"method\":\"keepalived\",\"params\":{\"id\":\"%s\"}}\n", m_sequence, m_rpcId);
+    snprintf(req, 128, "{\"id\":%" PRId64 ",\"jsonrpc\":\"2.0\",\"method\":\"keepalived\",\"params\":{\"id\":\"%s\"}}\n", m_sequence, m_rpcId);
 
     send(req);
 }
diff --git a/src/net/Network.cpp b/src/net/Network.cpp
index ee8d7b3ea..59ce83d75 100644
--- a/src/net/Network.cpp
+++ b/src/net/Network.cpp
@@ -22,6 +22,7 @@
  */
 
 
+#include <inttypes.h>
 #include <memory>
 #include <time.h>
 
@@ -137,12 +138,16 @@ void Network::onResultAccepted(Client *client, int64_t seq, uint32_t diff, uint6
     if (error) {
         m_rejected++;
 
-        LOG_INFO(m_options->colors() ? "\x1B[01;31mrejected\x1B[0m (%lld/%lld) diff \x1B[01;37m%u\x1B[0m \x1B[31m\"%s\"\x1B[0m \x1B[01;30m(%llu ms)" : "rejected (%lld/%lld) diff %u \"%s\" (%llu ms)", m_accepted, m_rejected, diff, error, ms);
+        LOG_INFO(m_options->colors() ? "\x1B[01;31mrejected\x1B[0m (%" PRId64 "/%" PRId64 ") diff \x1B[01;37m%u\x1B[0m \x1B[31m\"%s\"\x1B[0m \x1B[01;30m(%" PRIu64 " ms)"
+                                     : "rejected (%" PRId64 "/%" PRId64 ") diff %u \"%s\" (%" PRIu64 " ms)",
+                 m_accepted, m_rejected, diff, error, ms);
     }
     else {
         m_accepted++;
 
-        LOG_INFO(m_options->colors() ? "\x1B[01;32maccepted\x1B[0m (%lld/%lld) diff \x1B[01;37m%u\x1B[0m \x1B[01;30m(%llu ms)" : "accepted (%lld/%lld) diff %u (%llu ms)", m_accepted, m_rejected, diff, ms);
+        LOG_INFO(m_options->colors() ? "\x1B[01;32maccepted\x1B[0m (%" PRId64 "/%" PRId64 ") diff \x1B[01;37m%u\x1B[0m \x1B[01;30m(%" PRIu64 " ms)"
+                                     : "accepted (%" PRId64 "/%" PRId64 ") diff %u (%" PRIu64 " ms)",
+                 m_accepted, m_rejected, diff, ms);
     }
 }