diff --git a/source/common/utility/m_alloc.cpp b/source/common/utility/m_alloc.cpp
index 3b7e12f43..454fde6d1 100644
--- a/source/common/utility/m_alloc.cpp
+++ b/source/common/utility/m_alloc.cpp
@@ -77,6 +77,14 @@ void *M_Realloc(void *memblock, size_t size)
 	GC::ReportRealloc(oldsize, _msize(block));
 	return block;
 }
+
+void* M_Calloc(size_t v1, size_t v2)
+{
+	auto p = M_Malloc(v1 * v2);
+	memset(p, 0, v1 * v2);
+	return p;
+}
+
 #else
 void *M_Malloc(size_t size)
 {
diff --git a/source/common/utility/m_alloc.h b/source/common/utility/m_alloc.h
index 471d42fae..5f80584d6 100644
--- a/source/common/utility/m_alloc.h
+++ b/source/common/utility/m_alloc.h
@@ -72,12 +72,7 @@ inline void* M_Calloc_Dbg(size_t v1, size_t v2, const char* file, int lineno)
 #else
 void *M_Malloc (size_t size);
 void *M_Realloc (void *memblock, size_t size);
-inline void* M_Calloc(size_t v1, size_t v2)
-{
-	auto p = M_Malloc(v1 * v2);
-	memset(p, 0, v1 * v2);
-	return p;
-}
+void* M_Calloc(size_t v1, size_t v2);
 
 #endif