diff --git a/src/cairo-colr-glyph-render.c b/src/cairo-colr-glyph-render.c
index 28254fd..a9ad84b 100644
--- a/src/cairo-colr-glyph-render.c
+++ b/src/cairo-colr-glyph-render.c
@@ -43,6 +43,10 @@
 #include <stdio.h>
 #include <string.h>
 
+#ifdef _MSC_VER
+#include <malloc.h>
+#endif
+
 #if HAVE_FT_COLR_V1
 
 #include <ft2build.h>