diff --git a/swaygrab/main.c b/swaygrab/main.c
index 1edda490a..c05f62cda 100644
--- a/swaygrab/main.c
+++ b/swaygrab/main.c
@@ -43,6 +43,8 @@ void grab_and_apply_magick(const char *file, const char *output, int socketfd) {
 	fwrite(pixels, 1, len, f);
 	fflush(f);
 	fclose(f);
+	free(pixels);
+	free(cmd);
 }
 
 int main(int argc, char **argv) {