diff --git a/lib/defines.h b/lib/defines.h
index 1cc05535..6b4ebc04 100644
--- a/lib/defines.h
+++ b/lib/defines.h
@@ -89,6 +89,7 @@ static const char * DBG_LVL_LIST[] = {"NONE", "FAIL", "ERROR", "WARN", "INFO", "
 #define SHM_STREAM_INDEX "MstSTRM%s" //%s stream name
 #define SHM_TRACK_META "MstTRAK%s@%lu" //%s stream name, %lu track ID
 #define SHM_TRACK_INDEX "MstTRID%s@%lu" //%s stream name, %lu track ID
+#define SHM_TRACK_INDEX_SIZE 8192
 #define SHM_TRACK_DATA "MstDATA%s@%lu_%lu" //%s stream name, %lu track ID, %lu page #
 #define SHM_STATISTICS "MstSTAT"
 #define SHM_USERS "MstUSER%s" //%s stream name
diff --git a/src/input/input_buffer.cpp b/src/input/input_buffer.cpp
index 7f133ec1..e69b889e 100644
--- a/src/input/input_buffer.cpp
+++ b/src/input/input_buffer.cpp
@@ -211,7 +211,7 @@ namespace Mist {
     //Delete most if not all track indexes and data pages.
     for (long unsigned i = 1; i <= 24; ++i){
       snprintf(pageName, NAME_BUFFER_SIZE, SHM_TRACK_INDEX, streamName.c_str(), i);
-      IPC::sharedPage indexPage(pageName, 8192, false, false);
+      IPC::sharedPage indexPage(pageName, SHM_TRACK_INDEX_SIZE, false, false);
       indexPage.master = true;
       if (indexPage.mapped){
         char * mappedPointer = indexPage.mapped;
@@ -600,7 +600,7 @@ namespace Mist {
 
             char firstPage[NAME_BUFFER_SIZE];
             snprintf(firstPage, NAME_BUFFER_SIZE, SHM_TRACK_INDEX, config->getString("streamname").c_str(), finalMap);
-            nProxy.metaPages[finalMap].init(firstPage, 8192, false);
+            nProxy.metaPages[finalMap].init(firstPage, SHM_TRACK_INDEX_SIZE, false);
 
             //Update the metadata for this track
             updateTrackMeta(finalMap);
@@ -753,7 +753,7 @@ namespace Mist {
         if (!nProxy.metaPages.count(value) || !nProxy.metaPages[value].mapped) {
           char firstPage[NAME_BUFFER_SIZE];
           snprintf(firstPage, NAME_BUFFER_SIZE, SHM_TRACK_INDEX, config->getString("streamname").c_str(), value);
-          nProxy.metaPages[value].init(firstPage, 8192, false, false);
+          nProxy.metaPages[value].init(firstPage, SHM_TRACK_INDEX_SIZE, false, false);
         }
         if (nProxy.metaPages[value].mapped) {
           //Update the metadata for this track
diff --git a/src/io.cpp b/src/io.cpp
index 91691e4d..8f078c4e 100644
--- a/src/io.cpp
+++ b/src/io.cpp
@@ -102,7 +102,7 @@ namespace Mist {
     {
       char pageName[NAME_BUFFER_SIZE];
       snprintf(pageName, NAME_BUFFER_SIZE, SHM_TRACK_INDEX, streamName.c_str(), mapTid);
-      IPC::sharedPage checkPage(pageName, 8 * 1024 * 1024, false, false);
+      IPC::sharedPage checkPage(pageName, SHM_TRACK_INDEX_SIZE, false, false);
       if (!checkPage.mapped){
         WARN_MSG("The buffer deleted our index. Re-negotiating...");
         trackState.erase(tid);
@@ -562,7 +562,7 @@ namespace Mist {
       trackState[tid] = FILL_ACC;
       char pageName[NAME_BUFFER_SIZE];
       snprintf(pageName, NAME_BUFFER_SIZE, SHM_TRACK_INDEX, streamName.c_str(), tid);
-      metaPages[tid].init(pageName, 8 * 1024 * 1024, true);
+      metaPages[tid].init(pageName, SHM_TRACK_INDEX_SIZE, true);
       metaPages[tid].master = false;
       return;
     }
@@ -634,7 +634,7 @@ namespace Mist {
 
 
         snprintf(pageName, NAME_BUFFER_SIZE, SHM_TRACK_INDEX, streamName.c_str(), finalTid);
-        metaPages[tid].init(pageName, 8 * 1024 * 1024, true);
+        metaPages[tid].init(pageName, SHM_TRACK_INDEX_SIZE, true);
         metaPages[tid].master = false;
         Bit::htobl(tmp + offset, finalTid | 0xC0000000);
         Bit::htobs(tmp + offset + 4, firstPage);
@@ -719,7 +719,7 @@ namespace Mist {
           trackState[tid] = FILL_ACC;
           char pageName[NAME_BUFFER_SIZE];
           snprintf(pageName, NAME_BUFFER_SIZE, SHM_TRACK_INDEX, streamName.c_str(), finalTid);
-          metaPages[tid].init(pageName, 8 * 1024 * 1024, true);
+          metaPages[tid].init(pageName, SHM_TRACK_INDEX_SIZE, true);
           metaPages[tid].master = false;
           break;
         }