diff --git a/src/base/system.h b/src/base/system.h
index fc2d324c2..aaa4ef1de 100644
--- a/src/base/system.h
+++ b/src/base/system.h
@@ -14,9 +14,20 @@
 #define __USE_GNU
 #endif
 
+#include <inttypes.h>
 #include <stdint.h>
 #include <time.h>
 
+#ifdef __MINGW32__
+#undef PRId64
+#undef PRIu64
+#define PRId64 "I64d"
+#define PRIu64 "I64u"
+#define PRIzu "Iu"
+#else
+#define PRIzu "zu"
+#endif
+
 #ifdef CONF_FAMILY_UNIX
 #include <sys/un.h>
 #endif
diff --git a/src/engine/client/backend/vulkan/backend_vulkan.cpp b/src/engine/client/backend/vulkan/backend_vulkan.cpp
index 36b240a38..6f7c23ae3 100644
--- a/src/engine/client/backend/vulkan/backend_vulkan.cpp
+++ b/src/engine/client/backend/vulkan/backend_vulkan.cpp
@@ -87,7 +87,7 @@ class CCommandProcessorFragment_Vulkan : public CCommandProcessorFragment_GLBase
 			break;
 		default: break;
 		}
-		dbg_msg("vulkan", "allocated chunk of memory with size: %zu for frame %zu (%s)", (size_t)Size, (size_t)m_CurImageIndex, pUsage);
+		dbg_msg("vulkan", "allocated chunk of memory with size: %" PRIzu " for frame %" PRIzu " (%s)", (size_t)Size, (size_t)m_CurImageIndex, pUsage);
 	}
 
 	void VerboseDeallocatedMemory(VkDeviceSize Size, size_t FrameImageIndex, EMemoryBlockUsage MemUsage)
@@ -109,7 +109,7 @@ class CCommandProcessorFragment_Vulkan : public CCommandProcessorFragment_GLBase
 			break;
 		default: break;
 		}
-		dbg_msg("vulkan", "deallocated chunk of memory with size: %zu for frame %zu (%s)", (size_t)Size, (size_t)m_CurImageIndex, pUsage);
+		dbg_msg("vulkan", "deallocated chunk of memory with size: %" PRIzu " for frame %" PRIzu " (%s)", (size_t)Size, (size_t)m_CurImageIndex, pUsage);
 	}
 
 	/************************
@@ -2057,7 +2057,7 @@ protected:
 			m_pStagingMemoryUsage->store(m_pStagingMemoryUsage->load(std::memory_order_relaxed) - FreeedMemory, std::memory_order_relaxed);
 			if(IsVerbose())
 			{
-				dbg_msg("vulkan", "deallocated chunks of memory with size: %zu from all frames (staging buffer)", (size_t)FreeedMemory);
+				dbg_msg("vulkan", "deallocated chunks of memory with size: %" PRIzu " from all frames (staging buffer)", (size_t)FreeedMemory);
 			}
 		}
 		FreeedMemory = 0;
@@ -2067,7 +2067,7 @@ protected:
 			m_pBufferMemoryUsage->store(m_pBufferMemoryUsage->load(std::memory_order_relaxed) - FreeedMemory, std::memory_order_relaxed);
 			if(IsVerbose())
 			{
-				dbg_msg("vulkan", "deallocated chunks of memory with size: %zu from all frames (buffer)", (size_t)FreeedMemory);
+				dbg_msg("vulkan", "deallocated chunks of memory with size: %" PRIzu " from all frames (buffer)", (size_t)FreeedMemory);
 			}
 		}
 		FreeedMemory = 0;
@@ -2078,7 +2078,7 @@ protected:
 			m_pTextureMemoryUsage->store(m_pTextureMemoryUsage->load(std::memory_order_relaxed) - FreeedMemory, std::memory_order_relaxed);
 			if(IsVerbose())
 			{
-				dbg_msg("vulkan", "deallocated chunks of memory with size: %zu from all frames (texture)", (size_t)FreeedMemory);
+				dbg_msg("vulkan", "deallocated chunks of memory with size: %" PRIzu " from all frames (texture)", (size_t)FreeedMemory);
 			}
 		}
 	}
@@ -3817,7 +3817,7 @@ public:
 
 			if(IsVerbose())
 			{
-				dbg_msg("vulkan", "device prop: non-coherent align: %zu, optimal image copy align: %zu, max texture size: %u, max sampler anisotropy: %u", (size_t)m_NonCoherentMemAlignment, (size_t)m_OptimalImageCopyMemAlignment, m_MaxTextureSize, m_MaxSamplerAnisotropy);
+				dbg_msg("vulkan", "device prop: non-coherent align: %" PRIzu ", optimal image copy align: %" PRIzu ", max texture size: %u, max sampler anisotropy: %u", (size_t)m_NonCoherentMemAlignment, (size_t)m_OptimalImageCopyMemAlignment, m_MaxTextureSize, m_MaxSamplerAnisotropy);
 				dbg_msg("vulkan", "device prop: min uniform align: %u, multi sample: %u", m_MinUniformAlign, (uint32_t)m_MaxMultiSample);
 			}
 		}
@@ -7634,7 +7634,7 @@ public:
 
 			if(IsVerbose() && s_BenchmarkRenderThreads)
 			{
-				dbg_msg("vulkan", "render thread %zu took %d ns to finish", ThreadIndex, (int)(time_get_nanoseconds() - ThreadRenderTime).count());
+				dbg_msg("vulkan", "render thread %" PRIzu " took %d ns to finish", ThreadIndex, (int)(time_get_nanoseconds() - ThreadRenderTime).count());
 			}
 
 			pThread->m_IsRendering = false;
diff --git a/src/engine/client/client.cpp b/src/engine/client/client.cpp
index 9ce7ccfd9..b7891cd9c 100644
--- a/src/engine/client/client.cpp
+++ b/src/engine/client/client.cpp
@@ -70,11 +70,6 @@
 
 #include "base/hash.h"
 
-// for msvc
-#ifndef PRIu64
-#define PRIu64 "I64u"
-#endif
-
 #include <chrono>
 #include <thread>