diff --git a/modules/network/smap-ingame/main.c b/modules/network/smap-ingame/main.c
index e84f6a8aa..54ee0f34b 100644
--- a/modules/network/smap-ingame/main.c
+++ b/modules/network/smap-ingame/main.c
@@ -49,9 +49,11 @@ SMapLowLevelOutput(NetIF *pNetIF, PBuf *pOutput)
     struct pbuf *pbuf;
     static unsigned char FrameBuffer[MAX_FRAME_SIZE];
 
+#if USE_GP_REGISTER
     void *OldGP;
 
     OldGP = SetModuleGP();
+#endif
 
     if (pOutput->next != NULL) {
         TotalLength = 0;
@@ -70,7 +72,9 @@ SMapLowLevelOutput(NetIF *pNetIF, PBuf *pOutput)
 
     SMAPSendPacket(buffer, TotalLength);
 
+#if USE_GP_REGISTER
     SetGP(OldGP);
+#endif
 
     return ERR_OK;
 }
@@ -85,15 +89,19 @@ static err_t SMapOutput(NetIF *pNetIF, PBuf *pOutput, IPAddr *pIPAddr)
     err_t result;
     PBuf *pBuf;
 
+#if USE_GP_REGISTER
     void *OldGP;
 
     OldGP = SetModuleGP();
+#endif
 
     pBuf = etharp_output(pNetIF, pIPAddr, pOutput);
 
     result = pBuf != NULL ? SMapLowLevelOutput(pNetIF, pBuf) : ERR_OK;
 
+#if USE_GP_REGISTER
     SetGP(OldGP);
+#endif
 
     return result;
 }
@@ -103,9 +111,11 @@ static err_t SMapOutput(NetIF *pNetIF, PBuf *pOutput, IPAddr *pIPAddr)
 //Should be called at the beginning of the program to set up the network interface.
 static err_t SMapIFInit(NetIF *pNetIF)
 {
+#if USE_GP_REGISTER
     void *OldGP;
 
     OldGP = SetModuleGP();
+#endif
 
     pNetIF->name[0] = IFNAME0;
     pNetIF->name[1] = IFNAME1;
@@ -131,7 +141,9 @@ static err_t SMapIFInit(NetIF *pNetIF)
     //Enable sending and receiving of data.
     SMAPStart();
 
+#if USE_GP_REGISTER
     SetGP(OldGP);
+#endif
 
     return ERR_OK;
 }
diff --git a/modules/network/smap-ingame/smap.c b/modules/network/smap-ingame/smap.c
index 39537f094..a82d90bd7 100644
--- a/modules/network/smap-ingame/smap.c
+++ b/modules/network/smap-ingame/smap.c
@@ -361,9 +361,11 @@ static int Dev9IntrCb(int flag)
     USE_SPD_REGS;
     volatile u8 *smap_regbase, *emac3_regbase;
 
+#if USE_GP_REGISTER
     void *OldGP;
 
     OldGP = SetModuleGP();
+#endif
 
     emac3_regbase = SmapDriverData.emac3_regbase;
     smap_regbase = SmapDriverData.smap_regbase;
@@ -378,7 +380,9 @@ static int Dev9IntrCb(int flag)
         }
     }
 
+#if USE_GP_REGISTER
     SetGP(OldGP);
+#endif
 
     return 0;
 }
@@ -418,9 +422,11 @@ int SMAPStart(void)
     int result;
     volatile u8 *emac3_regbase;
 
+#if USE_GP_REGISTER
     void *OldGP;
 
     OldGP = SetModuleGP();
+#endif
 
     if (!SmapDriverData.SmapIsInitialized) {
         emac3_regbase = SmapDriverData.emac3_regbase;
@@ -443,7 +449,9 @@ int SMAPStart(void)
             SmapDriverData.NetDevStopFlag = 0;
     }
 
+#if USE_GP_REGISTER
     SetGP(OldGP);
+#endif
 
     return 0;
 }
@@ -452,9 +460,11 @@ void SMAPStop(void)
 {
     volatile u8 *emac3_regbase;
 
+#if USE_GP_REGISTER
     void *OldGP;
 
     OldGP = SetModuleGP();
+#endif
     SmapDriverData.NetDevStopFlag = 1;
 
     if (SmapDriverData.SmapIsInitialized) {
@@ -466,7 +476,9 @@ void SMAPStop(void)
         SmapDriverData.SmapIsInitialized = 0;
     }
 
+#if USE_GP_REGISTER
     SetGP(OldGP);
+#endif
 }
 
 static int ParseSmapConfiguration(const char *cmd, unsigned int *configuration)