diff --git a/src/core/file_sys/ips_layer.cpp b/src/core/file_sys/ips_layer.cpp
index b64ad8dcf2..00aefd0414 100644
--- a/src/core/file_sys/ips_layer.cpp
+++ b/src/core/file_sys/ips_layer.cpp
@@ -257,6 +257,7 @@ void IPSwitchCompiler::Parse(std::span<u8 const> bytes) {
                 // we dont check for "//", IPS checks for '/' only...
                 if ((!quote && p[0] == '/')
                 || (!quote && p[0] == '#')) {
+                    --p; //eat up the comment char
                     break;
                 } else if (p[0] == '\"' || p[0] == '\'') {
                     quote = (p[0] == quote) ? '\0' : p[0];