diff --git a/qpkg/qpkg.c b/qpkg/qpkg.c
index ee9faca..0c331dc 100644
--- a/qpkg/qpkg.c
+++ b/qpkg/qpkg.c
@@ -14,6 +14,7 @@
 #include <stdlib.h>
 #include <stdio.h>
 #include <string.h>
+#include <assert.h>
 
 #include "jrb.h"
 #include "id.h"
@@ -103,10 +104,9 @@ static void find_prereq(const char *name, const char *version)
 		const char *file = (*pkgs)->filename;
 		const char *end;
 
-		if (file) {
-			end = strchr(file, '\n');
-			printf("%.*s\n", (int) (end-file), file);
-		}
+		assert(file);
+		end = strchr(file, '\n');
+		printf("%.*s\n", (int) (end-file), file);
 		pkgs++;
 	}
 }