diff --git a/install.cpp b/install.cpp
index 31606bb..63b1d38 100644
--- a/install.cpp
+++ b/install.cpp
@@ -48,7 +48,7 @@
 
 // If the package contains an update binary, extract it and run it.
 static int
-try_update_binary(const char *path, ZipArchive *zip, int* wipe_cache) {
+try_update_binary(const char* path, ZipArchive* zip, bool* wipe_cache) {
     const ZipEntry* binary_entry =
             mzFindZipEntry(zip, ASSUMED_UPDATE_BINARY_NAME);
     if (binary_entry == NULL) {
@@ -129,7 +129,7 @@
     }
     close(pipefd[1]);
 
-    *wipe_cache = 0;
+    *wipe_cache = false;
 
     char buffer[1024];
     FILE* from_child = fdopen(pipefd[0], "r");
@@ -158,7 +158,7 @@
             }
             fflush(stdout);
         } else if (strcmp(command, "wipe_cache") == 0) {
-            *wipe_cache = 1;
+            *wipe_cache = true;
         } else if (strcmp(command, "clear_display") == 0) {
             ui->SetBackground(RecoveryUI::NONE);
         } else if (strcmp(command, "enable_reboot") == 0) {
@@ -183,7 +183,7 @@
 }
 
 static int
-really_install_package(const char *path, int* wipe_cache, bool needs_mount)
+really_install_package(const char *path, bool* wipe_cache, bool needs_mount)
 {
     ui->SetBackground(RecoveryUI::INSTALLING_UPDATE);
     ui->Print("Finding update package...\n");
@@ -253,7 +253,7 @@
 }
 
 int
-install_package(const char* path, int* wipe_cache, const char* install_file,
+install_package(const char* path, bool* wipe_cache, const char* install_file,
                 bool needs_mount)
 {
     FILE* install_log = fopen_path(install_file, "w");