diff --git a/src/avx512-16bit-qsort.hpp b/src/avx512-16bit-qsort.hpp
index 65a64fb..3b18b98 100644
--- a/src/avx512-16bit-qsort.hpp
+++ b/src/avx512-16bit-qsort.hpp
@@ -572,6 +572,11 @@ avx512_qsort_fp16(uint16_t *arr,
         }
         replace_inf_with_nan(arr, arrsize, nan_count, descending);
     }
+
+#ifdef __MMX__
+    // Workaround for compiler bug generating MMX instructions without emms
+    _mm_empty();
+#endif
 }
 
 [[maybe_unused]] X86_SIMD_SORT_INLINE void
@@ -605,6 +610,11 @@ avx512_qselect_fp16(uint16_t *arr,
                     2 * (arrsize_t)log2(indx_last_elem));
         }
     }
+
+#ifdef __MMX__
+    // Workaround for compiler bug generating MMX instructions without emms
+    _mm_empty();
+#endif
 }
 
 [[maybe_unused]] X86_SIMD_SORT_INLINE void
diff --git a/src/xss-common-keyvaluesort.hpp b/src/xss-common-keyvaluesort.hpp
index 43f64ec..df85861 100644
--- a/src/xss-common-keyvaluesort.hpp
+++ b/src/xss-common-keyvaluesort.hpp
@@ -652,6 +652,11 @@ X86_SIMD_SORT_INLINE void xss_qsort_kv(
             std::reverse(indexes, indexes + arrsize);
         }
     }
+
+#ifdef __MMX__
+    // Workaround for compiler bug generating MMX instructions without emms
+    _mm_empty();
+#endif
 }
 
 template <typename T1,
@@ -712,6 +717,11 @@ X86_SIMD_SORT_INLINE void xss_select_kv(T1 *keys,
             std::reverse(indexes, indexes + arrsize);
         }
     }
+
+#ifdef __MMX__
+    // Workaround for compiler bug generating MMX instructions without emms
+    _mm_empty();
+#endif
 }
 
 template <typename T1,
diff --git a/src/xss-common-qsort.h b/src/xss-common-qsort.h
index 709fadc..0fb6263 100644
--- a/src/xss-common-qsort.h
+++ b/src/xss-common-qsort.h
@@ -632,6 +632,11 @@ X86_SIMD_SORT_INLINE void xss_qsort(T *arr, arrsize_t arrsize, bool hasnan)
 
         replace_inf_with_nan(arr, arrsize, nan_count, descending);
     }
+
+#ifdef __MMX__
+    // Workaround for compiler bug generating MMX instructions without emms
+    _mm_empty();
+#endif
 }
 
 // Quick select methods
@@ -666,6 +671,11 @@ xss_qselect(T *arr, arrsize_t k, arrsize_t arrsize, bool hasnan)
                                        index_last_elem,
                                        2 * (arrsize_t)log2(arrsize));
     }
+
+#ifdef __MMX__
+    // Workaround for compiler bug generating MMX instructions without emms
+    _mm_empty();
+#endif
 }
 
 // Partial sort methods: