diff --git a/src/client/input/sdl2.c b/src/client/input/sdl2.c
index 992d1a88..ed2a28f9 100644
--- a/src/client/input/sdl2.c
+++ b/src/client/input/sdl2.c
@@ -2441,8 +2441,11 @@ IN_GetClipboardText(char *out, size_t n)
 	SDL_free(s);
 }
 
+/* Copy string s to the clipboard.
+   Returns 0 on success, 1 otherwise.
+*/
 int
 IN_SetClipboardText(const char *s)
 {
-	return SDL_SetClipboardText(s);
+	return SDL_SetClipboardText(s) != 0;
 }
diff --git a/src/client/input/sdl3.c b/src/client/input/sdl3.c
index 52b97535..2bee5218 100644
--- a/src/client/input/sdl3.c
+++ b/src/client/input/sdl3.c
@@ -2437,8 +2437,13 @@ IN_GetClipboardText(char *out, size_t n)
 	SDL_free(s);
 }
 
+/* Copy string s to the clipboard.
+   Returns 0 on success, 1 otherwise.
+*/
 int
 IN_SetClipboardText(const char *s)
 {
-	return SDL_SetClipboardText(s);
+	bool res = SDL_SetClipboardText(s);
+
+	return !res;
 }