diff --git a/examples/simple.c b/examples/simple.c
index 16e88e4b..653c1fd0 100644
--- a/examples/simple.c
+++ b/examples/simple.c
@@ -69,7 +69,7 @@ int main(void)
         glMatrixMode(GL_MODELVIEW);
 
         glLoadIdentity();
-        glRotatef(glfwGetTime() * 50.f, 0.f, 0.f, 1.f);
+        glRotatef((float) glfwGetTime() * 50.f, 0.f, 0.f, 1.f);
 
         glBegin(GL_TRIANGLES);
         glColor3f(1.f, 0.f, 0.f);
diff --git a/src/win32_window.c b/src/win32_window.c
index e11beecb..2d51b689 100644
--- a/src/win32_window.c
+++ b/src/win32_window.c
@@ -407,7 +407,7 @@ static LRESULT CALLBACK windowProc(HWND hWnd, UINT uMsg,
 
         case WM_CHAR:
         {
-            _glfwInputChar(window, wParam);
+            _glfwInputChar(window, (unsigned int) wParam);
             return 0;
         }
 
diff --git a/tests/tearing.c b/tests/tearing.c
index 4e375950..93584285 100644
--- a/tests/tearing.c
+++ b/tests/tearing.c
@@ -95,7 +95,7 @@ int main(void)
     {
         glClear(GL_COLOR_BUFFER_BIT);
 
-        position = cosf(glfwGetTime() * 4.f) * 0.75f;
+        position = cosf((float) glfwGetTime() * 4.f) * 0.75f;
         glRectf(position - 0.25f, -1.f, position + 0.25f, 1.f);
 
         glfwSwapBuffers(window);