diff --git a/source/profile-dialog.c b/source/profile-dialog.c
index 6ca2e4a3..824b52a4 100644
--- a/source/profile-dialog.c
+++ b/source/profile-dialog.c
@@ -81,8 +81,9 @@ static char ** get_profile ( )
     if ( getenv( "HOME" ) == NULL ) return NULL;
 
     const char *hd = getenv( "HOME" );
-    path = allocate( strlen( hd ) + strlen( ".switch_profile.conf" )+3 );
-    sprintf( path, "%s/%s", hd, ".switch_profile.conf" );
+    unsigned int path_length = strlen( hd ) + strlen( ".switch_profile.conf" )+3;
+    path = allocate( path_length );
+    snprintf( path, path_length, "%s/%s", hd, ".switch_profile.conf" );
     FILE *fd = fopen ( path, "r" );
 
     if ( fd != NULL ) {
diff --git a/source/rofi.c b/source/rofi.c
index a6b0317f..f313d7f3 100644
--- a/source/rofi.c
+++ b/source/rofi.c
@@ -39,6 +39,7 @@
 #include <fcntl.h>
 #include <err.h>
 #include <errno.h>
+#include <time.h>
 #include <X11/X.h>
 #include <X11/Xatom.h>
 #include <X11/Xlib.h>
@@ -432,7 +433,9 @@ int take_keyboard( Window w )
         if ( XGrabKeyboard( display, w, True, GrabModeAsync, GrabModeAsync, CurrentTime ) == GrabSuccess )
             return 1;
 
-        usleep( 1000 );
+
+        struct timespec rsl = { 1, 0L };
+        nanosleep(&rsl, NULL);
     }
 
     return 0;
diff --git a/source/run-dialog.c b/source/run-dialog.c
index 20419b94..1a728739 100644
--- a/source/run-dialog.c
+++ b/source/run-dialog.c
@@ -88,8 +88,9 @@ static pid_t exec_cmd( const char *cmd, int run_in_term )
      * This happens in non-critical time (After launching app)
      * It is allowed to be a bit slower.
      */
-    char *path = allocate( strlen( cache_dir ) + strlen( RUN_CACHE_FILE )+3 );
-    sprintf( path, "%s/%s", cache_dir, RUN_CACHE_FILE );
+    size_t path_length = strlen( cache_dir ) + strlen( RUN_CACHE_FILE )+3;
+    char *path = allocate( path_length );
+    snprintf( path, path_length, "%s/%s", cache_dir, RUN_CACHE_FILE );
     FILE *fd = fopen ( path, "r" );
 
     if ( fd != NULL ) {