diff --git a/CHANGELOG.md b/CHANGELOG.md
index 4095c6b..757800d 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -9,6 +9,7 @@
 - Added `appveyor.yml` (exported from Appveyor)
 - Move `ext/aom` to a proper submodule
 - Update AOM to commit [3e3b9342a](https://aomedia.googlesource.com/aom/+/3e3b9342a20147ec6e4f89aa290e20277c1260ce) with minor CMake changes
+- Fix clang warning in `avifVersion()` signature
 
 ### Changed
 - Added static library artifact zip to Windows x64 builds (Appveyor)
diff --git a/include/avif/avif.h b/include/avif/avif.h
index d40e78c..386bad9 100644
--- a/include/avif/avif.h
+++ b/include/avif/avif.h
@@ -55,7 +55,7 @@
 // ---------------------------------------------------------------------------
 // Utils
 
-const char * avifVersion();
+const char * avifVersion(void);
 
 // Yes, clamp macros are nasty. Do not use them.
 #define AVIF_CLAMP(x, low, high)  (((x) > (high)) ? (high) : (((x) < (low)) ? (low) : (x)))
diff --git a/src/avif.c b/src/avif.c
index e8be4f4..b98110b 100644
--- a/src/avif.c
+++ b/src/avif.c
@@ -9,7 +9,7 @@
 #define STR(x) STR_HELPER(x)
 #define AVIF_VERSION_STRING (STR(AVIF_VERSION_MAJOR) "." STR(AVIF_VERSION_MINOR) "." STR(AVIF_VERSION_PATCH))
 
-const char * avifVersion()
+const char * avifVersion(void)
 {
     return AVIF_VERSION_STRING;
 }