diff --git a/src/managers/KeybindManager.cpp b/src/managers/KeybindManager.cpp
index 11e2fa02..c61ad82e 100644
--- a/src/managers/KeybindManager.cpp
+++ b/src/managers/KeybindManager.cpp
@@ -1903,7 +1903,7 @@ void CKeybindManager::alterZOrder(std::string args) {
     else if (POSITION == "bottom")
         g_pCompositor->changeWindowZOrder(PWINDOW, 0);
     else {
-        Debug::log(ERR, "alterZOrder: bad position: %s", POSITION);
+        Debug::log(ERR, "alterZOrder: bad position: {}", POSITION);
         return;
     }
 
@@ -2055,7 +2055,7 @@ void CKeybindManager::moveWindowOrGroup(std::string args) {
     static auto* const PIGNOREGROUPLOCK = &g_pConfigManager->getConfigValuePtr("binds:ignore_group_lock")->intValue;
 
     if (!isDirection(args)) {
-        Debug::log(ERR, "Cannot move into group in direction %c, unsupported direction. Supported: l,r,u/t,d/b", arg);
+        Debug::log(ERR, "Cannot move into group in direction {}, unsupported direction. Supported: l,r,u/t,d/b", arg);
         return;
     }