diff --git a/runtime/arch/x86/quick_entrypoints_x86.S b/runtime/arch/x86/quick_entrypoints_x86.S
index 68f46ad..3d87297 100644
--- a/runtime/arch/x86/quick_entrypoints_x86.S
+++ b/runtime/arch/x86/quick_entrypoints_x86.S
@@ -1277,14 +1277,12 @@
     mov  %esp, %ecx               // Remember SP
     subl LITERAL(8), %esp         // Save float return value.
     CFI_ADJUST_CFA_OFFSET(8)
-    movd %xmm0, (%esp)
+    movsd %xmm0, (%esp)
     PUSH edx                      // Save gpr return value.
     PUSH eax
-    subl LITERAL(8), %esp         // Align stack
-    movd %xmm0, (%esp)
-    subl LITERAL(8), %esp         // Pass float return value.
-    CFI_ADJUST_CFA_OFFSET(8)
-    movd %xmm0, (%esp)
+    subl LITERAL(16), %esp        // Align stack
+    CFI_ADJUST_CFA_OFFSET(16)
+    movsd %xmm0, (%esp)           // Pass float return value.
     PUSH edx                      // Pass gpr return value.
     PUSH eax
     PUSH ecx                      // Pass SP.
@@ -1299,7 +1297,7 @@
                                   // (ebx is pretending to be our LR).
     POP eax                       // Restore gpr return value.
     POP edx
-    movd (%esp), %xmm0            // Restore fpr return value.
+    movsd (%esp), %xmm0           // Restore fpr return value.
     addl LITERAL(8), %esp
     CFI_ADJUST_CFA_OFFSET(-8)
     RESTORE_REF_ONLY_CALLEE_SAVE_FRAME