diff --git a/include/import/slz.h b/include/import/slz.h
index 0f284e303..d7d486350 100644
--- a/include/import/slz.h
+++ b/include/import/slz.h
@@ -25,7 +25,7 @@
 #ifndef _SLZ_H
 #define _SLZ_H
 
-#include <stdint.h>
+#include <inttypes.h>
 
 /* We have two macros UNALIGNED_LE_OK and UNALIGNED_FASTER. The latter indicates
  * that using unaligned data is faster than a simple shift. On x86 32-bit at
diff --git a/src/slz.c b/src/slz.c
index 231e09c09..8eb01174d 100644
--- a/src/slz.c
+++ b/src/slz.c
@@ -22,7 +22,7 @@
  * OTHER DEALINGS IN THE SOFTWARE.
  */
 
-#include <stdint.h>
+#include <inttypes.h>
 #include <stdio.h>
 #include <string.h>
 #include <import/slz.h>