diff --git a/dlls/msi/custom.c b/dlls/msi/custom.c
index facb1d81e1f..647961cf87b 100644
--- a/dlls/msi/custom.c
+++ b/dlls/msi/custom.c
@@ -468,7 +468,7 @@ static void handle_msi_break(LPCSTR target)
     if (!GetEnvironmentVariableA("MsiBreak", val, MAX_PATH))
         return;
 
-    if (strcasecmp(val, target))
+    if (strcmp(val, target))
         return;
 
     sprintf(msg, format, GetCurrentProcessId(), GetCurrentProcessId());