diff --git a/lib/base/application.cpp b/lib/base/application.cpp
index 51458dda3..5a423b804 100644
--- a/lib/base/application.cpp
+++ b/lib/base/application.cpp
@@ -138,7 +138,7 @@ void Application::TimeWatchThreadProc(void)
 	double lastLoop = Utility::GetTime();
 
 	for (;;) {
-		Sleep(5000);
+		Utility::Sleep(5);
 
 		double now = Utility::GetTime();
 		double timeDiff = lastLoop - now;
diff --git a/lib/base/process.cpp b/lib/base/process.cpp
index 0686d0c79..63c24117e 100644
--- a/lib/base/process.cpp
+++ b/lib/base/process.cpp
@@ -81,7 +81,7 @@ void Process::WorkerThreadProc(void)
 			tv.tv_usec = 0;
 			select(nfds + 1, &readfds, NULL, NULL, &tv);
 #else /* _MSC_VER */
-			Sleep(1000);
+			Utility::Sleep(1);
 #endif /* _MSC_VER */
 
 			for (it = tasks.begin(); it != tasks.end(); ) {
diff --git a/lib/base/unix.cpp b/lib/base/unix.cpp
index 8997e814e..010c390a0 100644
--- a/lib/base/unix.cpp
+++ b/lib/base/unix.cpp
@@ -20,20 +20,9 @@
 #include "i2-base.h"
 
 #ifndef _WIN32
-#include <ltdl.h>
 
 using namespace icinga;
 
-/**
- * Sleeps for the specified amount of time.
- *
- * @param milliseconds The amount of time in milliseconds.
- */
-void Sleep(unsigned long milliseconds)
-{
-	usleep(milliseconds * 1000);
-}
-
 /**
  * Closes a socket.
  *
diff --git a/lib/base/unix.h b/lib/base/unix.h
index 31e5ae9c0..bc1f59e32 100644
--- a/lib/base/unix.h
+++ b/lib/base/unix.h
@@ -37,8 +37,6 @@
 #include <sys/file.h>
 #include <sys/wait.h>
 
-void Sleep(unsigned long milliseconds);
-
 typedef int SOCKET;
 #define INVALID_SOCKET (-1)
 void closesocket(SOCKET fd);
diff --git a/lib/base/utility.cpp b/lib/base/utility.cpp
index b6c89282d..f3fe5fbf1 100644
--- a/lib/base/utility.cpp
+++ b/lib/base/utility.cpp
@@ -309,3 +309,18 @@ pid_t Utility::GetPid(void)
 	return GetCurrentProcessId();
 #endif /* _WIN32 */
 }
+
+/**
+ * Sleeps for the specified amount of time.
+ *
+ * @param timeout The timeout in seconds.
+ */
+void Utility::Sleep(double timeout)
+{
+#ifndef _WIN32
+	usleep(timeout * 1000 * 1000);
+#else /* _WIN32 */
+	Sleep(timeout * 1000);
+#endif /* _WIN32 */
+}
+
diff --git a/lib/base/utility.h b/lib/base/utility.h
index 96c914a37..b1f5d00ea 100644
--- a/lib/base/utility.h
+++ b/lib/base/utility.h
@@ -50,6 +50,8 @@ public:
 
 	static pid_t GetPid(void);
 
+	static void Sleep(double timeout);
+
 private:
 	static bool m_SSLInitialized;