diff --git a/Texture2DDecoderNative/crunch/crn_decomp.h b/Texture2DDecoderNative/crunch/crn_decomp.h
index 53311cdbd..02ebbbb4b 100644
--- a/Texture2DDecoderNative/crunch/crn_decomp.h
+++ b/Texture2DDecoderNative/crunch/crn_decomp.h
@@ -319,6 +319,7 @@ namespace crnd
 #include <memory.h>
 #else
 #include <malloc.h>
+#include <string.h>
 #endif
 #include <stdarg.h>
 #include <new> // needed for placement new, _msize, _expand
diff --git a/Texture2DDecoderNative/unitycrunch/crn_decomp.h b/Texture2DDecoderNative/unitycrunch/crn_decomp.h
index e38a14317..edd9e0a13 100644
--- a/Texture2DDecoderNative/unitycrunch/crn_decomp.h
+++ b/Texture2DDecoderNative/unitycrunch/crn_decomp.h
@@ -21,6 +21,7 @@
 #include <memory.h>
 #else
 #include <malloc.h>
+#include <string.h>
 #endif
 #include <stdarg.h>
 #include <new>  // needed for placement new, _msize, _expand