diff --git a/repos/base/src/lib/ldso/symbol.map b/repos/base/src/lib/ldso/symbol.map
index 578bcd3efd..76f311809e 100644
--- a/repos/base/src/lib/ldso/symbol.map
+++ b/repos/base/src/lib/ldso/symbol.map
@@ -77,6 +77,9 @@
 			Kernel::*;
 		};
 
+		/* Pistachio */
+		__L4_ThreadSwitch;
+
 	local:
 
 		/*