diff --git a/Userland/DevTools/UserspaceEmulator/SoftCPU.cpp b/Userland/DevTools/UserspaceEmulator/SoftCPU.cpp
index 3b506b9234..2d6874bd0d 100644
--- a/Userland/DevTools/UserspaceEmulator/SoftCPU.cpp
+++ b/Userland/DevTools/UserspaceEmulator/SoftCPU.cpp
@@ -1565,7 +1565,7 @@ void SoftCPU::FCHS(const X86::Instruction&)
 
 void SoftCPU::FABS(const X86::Instruction&)
 {
-    fpu_set(0, __builtin_fabs(fpu_get(0)));
+    fpu_set(0, __builtin_fabsl(fpu_get(0)));
 }
 
 void SoftCPU::FTST(const X86::Instruction&) { TODO_INSN(); }