diff --git a/src/pulsecore/remap.c b/src/pulsecore/remap.c
index b831f78c6..5d0cd62cf 100644
--- a/src/pulsecore/remap.c
+++ b/src/pulsecore/remap.c
@@ -27,6 +27,7 @@
 #include <string.h>
 
 #include <pulse/sample.h>
+#include <pulse/volume.h>
 #include <pulsecore/log.h>
 #include <pulsecore/macro.h>
 
@@ -168,7 +169,7 @@ static void init_remap_c(pa_remap_t *m) {
 
     /* find some common channel remappings, fall back to full matrix operation. */
     if (n_ic == 1 && n_oc == 2 &&
-            m->map_table_f[0][0] >= 1.0 && m->map_table_f[1][0] >= 1.0) {
+            m->map_table_i[0][0] == PA_VOLUME_NORM && m->map_table_i[1][0] == PA_VOLUME_NORM) {
         m->do_remap = (pa_do_remap_func_t) remap_mono_to_stereo_c;
         pa_log_info("Using mono to stereo remapping");
     } else {
diff --git a/src/pulsecore/remap_mmx.c b/src/pulsecore/remap_mmx.c
index 9a69ada44..5b3f0f9c3 100644
--- a/src/pulsecore/remap_mmx.c
+++ b/src/pulsecore/remap_mmx.c
@@ -25,6 +25,7 @@
 #endif
 
 #include <pulse/sample.h>
+#include <pulse/volume.h>
 #include <pulsecore/log.h>
 #include <pulsecore/macro.h>
 
@@ -139,7 +140,7 @@ static void init_remap_mmx(pa_remap_t *m) {
 
     /* find some common channel remappings, fall back to full matrix operation. */
     if (n_ic == 1 && n_oc == 2 &&
-            m->map_table_f[0][0] >= 1.0 && m->map_table_f[1][0] >= 1.0) {
+            m->map_table_i[0][0] == PA_VOLUME_NORM && m->map_table_i[1][0] == PA_VOLUME_NORM) {
         m->do_remap = (pa_do_remap_func_t) remap_mono_to_stereo_mmx;
         pa_log_info("Using MMX mono to stereo remapping");
     }
diff --git a/src/pulsecore/remap_sse.c b/src/pulsecore/remap_sse.c
index dd49eb672..883172351 100644
--- a/src/pulsecore/remap_sse.c
+++ b/src/pulsecore/remap_sse.c
@@ -25,6 +25,7 @@
 #endif
 
 #include <pulse/sample.h>
+#include <pulse/volume.h>
 #include <pulsecore/log.h>
 #include <pulsecore/macro.h>
 
@@ -138,7 +139,7 @@ static void init_remap_sse2(pa_remap_t *m) {
 
     /* find some common channel remappings, fall back to full matrix operation. */
     if (n_ic == 1 && n_oc == 2 &&
-            m->map_table_f[0][0] >= 1.0 && m->map_table_f[1][0] >= 1.0) {
+            m->map_table_i[0][0] == PA_VOLUME_NORM && m->map_table_i[1][0] == PA_VOLUME_NORM) {
         m->do_remap = (pa_do_remap_func_t) remap_mono_to_stereo_sse2;
         pa_log_info("Using SSE2 mono to stereo remapping");
     }