diff --git a/shaders/cube.fs b/shaders/cube.fs
index bcd6668..ca77746 100644
--- a/shaders/cube.fs
+++ b/shaders/cube.fs
@@ -7,6 +7,6 @@ out vec4 maSortie;
 
 in float il;
 
-void main() {
+void main(void) {
     maSortie = il * vsoColor;
 }
diff --git a/shaders/cube.vs b/shaders/cube.vs
index 69cd577..b87b251 100644
--- a/shaders/cube.vs
+++ b/shaders/cube.vs
@@ -16,7 +16,7 @@ out float il;
 const vec3 Ld = vec3(0., -.7, -.7);
 
 
-void main() {
+void main(void) {
     vec3 n = (transpose(inverse(modview)) * vec4(normal, 0.)).xyz;
     il = clamp(dot(n, -Ld), 0., 1.);
 
diff --git a/shaders/voronoi.fs b/shaders/voronoi.fs
index 9fba659..9ffbd7d 100644
--- a/shaders/voronoi.fs
+++ b/shaders/voronoi.fs
@@ -10,7 +10,7 @@ uniform sampler2D tex;
 in  vec2 vsoTexCoord;
 out vec4 fragColor;
 
-void main() {
+void main(void) {
     float dmin = distance(vsoTexCoord, coords[0]);
 
     int imin = 0;
diff --git a/shaders/voronoi.vs b/shaders/voronoi.vs
index ad55821..dd46aa8 100644
--- a/shaders/voronoi.vs
+++ b/shaders/voronoi.vs
@@ -8,7 +8,7 @@ layout(location = 2) in vec2 texCoord;
 
 out vec2 vsoTexCoord;
 
-void main() {
+void main(void) {
     gl_Position = vec4(position, 1.);
     vsoTexCoord = vec2(texCoord.x, 1 - texCoord.y);
 }