diff --git a/src/ldso/pe_find_framework_loader.c b/src/ldso/pe_find_framework_loader.c
index 8096ea8..c138d32 100644
--- a/src/ldso/pe_find_framework_loader.c
+++ b/src/ldso/pe_find_framework_loader.c
@@ -69,7 +69,7 @@ int32_t pe_find_framework_loader(
 		wch_cap = basename + 512;
 
 		for (; *wch && wch<wch_cap; wch++)
-			if ((*wch == '\\') != (*wch == '/'))
+			if ((*wch == '\\') || (*wch == '/'))
 				return OS_STATUS_INVALID_PARAMETER;
 
 		if (*wch)